<SEC-DOCUMENT>0001564590-20-025713.txt : 20200515
<SEC-HEADER>0001564590-20-025713.hdr.sgml : 20200515
<ACCEPTANCE-DATETIME>20200515115004
ACCESSION NUMBER:		0001564590-20-025713
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		12
CONFORMED PERIOD OF REPORT:	20200514
ITEM INFORMATION:		Submission of Matters to a Vote of Security Holders
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20200515
DATE AS OF CHANGE:		20200515

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MARTIN MARIETTA MATERIALS INC
		CENTRAL INDEX KEY:			0000916076
		STANDARD INDUSTRIAL CLASSIFICATION:	MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400]
		IRS NUMBER:				561848578
		STATE OF INCORPORATION:			NC
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12744
		FILM NUMBER:		20882397

	BUSINESS ADDRESS:	
		STREET 1:		2710 WYCLIFF ROAD
		CITY:			RALEIGH
		STATE:			NC
		ZIP:			27607
		BUSINESS PHONE:		919-781-4550

	MAIL ADDRESS:	
		STREET 1:		2710 WYCLIFF ROAD
		CITY:			RALEIGH
		STATE:			NC
		ZIP:			27607
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>mlm-8k_20200514.htm
<DESCRIPTION>2020 VOTING RESULTS
<TEXT>
<XBRL>
<?xml  version="1.0" encoding="utf-8"?>
<!-- DFIN ActiveDisclosure(SM) Inline XBRL Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date      : 2020-05-15T14:08:07.6828194+00:00 -->
<!-- Version            : 5.0.1.385 -->
<!-- Package ID         : 621cf47c8782494b9d73af5ea62beac7 -->
<!-- Copyright (c) 2020 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<html xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:mlm="http://martinmarietta.com/20200514" xmlns:us-types="http://fasb.org/us-types/2019-01-31" xmlns:us-gaap="http://fasb.org/us-gaap/2019-01-31" xmlns:stpr="http://xbrl.sec.gov/stpr/2018-01-31" xmlns:srt-types="http://fasb.org/srt-types/2019-01-31" xmlns:srt="http://fasb.org/srt/2019-01-31" xmlns:sic="http://xbrl.sec.gov/sic/2011-01-31" xmlns:naics="http://xbrl.sec.gov/naics/2017-01-31" xmlns:exch="http://xbrl.sec.gov/exch/2019-01-31" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:dei="http://xbrl.sec.gov/dei/2019-01-31" xmlns:currency="http://xbrl.sec.gov/currency/2019-01-31" xmlns:country="http://xbrl.sec.gov/country/2017-01-31" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:utr="http://www.xbrl.org/2009/utr" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:iso4217="http://www.xbrl.org/2003/iso4217" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ix="http://www.xbrl.org/2013/inlineXBRL" xmlns:ixt="http://www.xbrl.org/inlineXBRL/transformation/2015-02-26" xmlns:ixt-sec="http://www.sec.gov/inlineXBRL/transformation/2015-08-31" xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html" />
<title>
mlm-8k_20200514.htm
</title>
</head>
<!-- NG Converter v5.0.2.38 -->
<body><div style="display:none">
	<ix:header>
		<ix:hidden>
			<ix:nonNumeric id="F_000001" name="dei:AmendmentFlag" contextRef="C_0000916076_20200514_20200514">false</ix:nonNumeric>
			<ix:nonNumeric id="F_000018" name="dei:EntityCentralIndexKey" contextRef="C_0000916076_20200514_20200514">0000916076</ix:nonNumeric>
		</ix:hidden>
		<ix:references>
			<link:schemaRef xlink:type="simple" xlink:href="mlm-20200514.xsd" xlink:arcrole="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase"></link:schemaRef>
		</ix:references>
		<ix:resources>
			<xbrli:context id="C_0000916076_20200514_20200514">
				<xbrli:entity>
					<xbrli:identifier scheme="http://www.sec.gov/CIK">0000916076</xbrli:identifier>
				</xbrli:entity>
				<xbrli:period>
					<xbrli:startDate>2020-05-14</xbrli:startDate>
					<xbrli:endDate>2020-05-14</xbrli:endDate>
				</xbrli:period>
			</xbrli:context>
		</ix:resources>
	</ix:header>
</div>

<p style="text-align:center;line-height:1pt;border-top:Solid 0.75pt;padding-top:1pt;border-bottom:Solid 0.75pt;padding-bottom:1pt;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:11pt;">&#160;</p>
<p style="margin-top:12pt;text-align:center;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:11pt;font-family:Calibri;font-style:normal;text-transform:none;font-variant: normal;">UNITED STATES</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:11pt;font-family:Calibri;font-style:normal;text-transform:none;font-variant: normal;">SECURITIES AND EXCHANGE COMMISSION</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:11pt;font-family:Calibri;text-transform:uppercase;font-style:normal;font-variant: normal;">Washington, DC 20549</p>
<p style="text-align:center;margin-top:6pt;border-bottom:Solid 0.75pt;padding-bottom:1pt;margin-bottom:0pt;margin-left:40%;margin-right:40%;text-indent:0%;font-size:5pt;">&#160;</p>
<p style="text-align:center;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:11pt;font-family:Calibri;font-style:normal;text-transform:none;font-variant: normal;">FORM <ix:nonNumeric id="F_000000" name="dei:DocumentType" contextRef="C_0000916076_20200514_20200514">8-K</ix:nonNumeric></p>
<p style="text-align:center;margin-top:6pt;border-bottom:Solid 0.75pt;padding-bottom:1pt;margin-bottom:0pt;margin-left:40%;margin-right:40%;text-indent:0%;font-size:5pt;">&#160;</p>
<p style="text-align:center;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:11pt;font-family:Calibri;text-transform:uppercase;font-style:normal;font-variant: normal;">CURRENT REPORT </p>
<p style="text-align:center;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:11pt;font-family:Calibri;text-transform:uppercase;font-style:normal;font-variant: normal;">Pursuant to Section 13 or 15(<span style="text-transform:none;">d</span>) of the</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:11pt;font-family:Calibri;font-weight:bold;text-transform:uppercase;font-style:normal;font-variant: normal;">Securities Exchange Act of 1934</p>
<p style="text-align:center;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:11pt;font-family:Calibri;letter-spacing:-0.15pt;font-style:normal;text-transform:none;font-variant: normal;">Date of report (Date of earliest event reported) <ix:nonNumeric id="F_000002" name="dei:DocumentPeriodEndDate" contextRef="C_0000916076_20200514_20200514" format="ixt:datemonthdayyearen">May 14, 2020</ix:nonNumeric></p>
<p style="text-align:center;margin-top:6pt;border-bottom:Solid 0.75pt;padding-bottom:1pt;margin-bottom:0pt;margin-left:40%;margin-right:40%;text-indent:0%;font-size:6pt;">&#160;</p>
<p style="text-align:center;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:11pt;font-family:Calibri;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000003" name="dei:EntityRegistrantName" contextRef="C_0000916076_20200514_20200514">Martin Marietta Materials, Inc.</ix:nonNumeric></p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:11pt;font-family:Calibri;font-style:normal;text-transform:none;font-variant: normal;">(Exact Name of Registrant as Specified in Its Charter)</p>
<p style="text-align:center;margin-top:6pt;border-bottom:Solid 0.75pt;padding-bottom:1pt;margin-bottom:0pt;margin-left:40%;margin-right:40%;text-indent:0%;font-size:8pt;">&#160;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
<div>
<table border="0" cellspacing="0" cellpadding="0" style="margin:auto;border-collapse:collapse; width:100%;">
<tr>
<td valign="top" style="width:34%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Calibri;text-transform:none;font-weight:bold;font-style:normal;font-variant: normal;"><ix:nonNumeric id="F_000004" name="dei:EntityIncorporationStateCountryCode" contextRef="C_0000916076_20200514_20200514" format="ixt-sec:stateprovnameen">North Carolina</ix:nonNumeric></p></td>
<td valign="top" style="width:1%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;;font-size:11pt;">&#160;</p></td>
<td valign="bottom" style="width:32%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:11pt;font-family:Calibri;letter-spacing:-0.15pt;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000005" name="dei:EntityFileNumber" contextRef="C_0000916076_20200514_20200514">1-12744</ix:nonNumeric></p></td>
<td valign="top" style="width:1%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;;font-size:11pt;">&#160;</p></td>
<td valign="bottom" style="width:32%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:11pt;font-family:Calibri;letter-spacing:-0.15pt;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000006" name="dei:EntityTaxIdentificationNumber" contextRef="C_0000916076_20200514_20200514">56-1848578</ix:nonNumeric></p></td>
</tr>
<tr>
<td valign="bottom" style="width:34%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:11pt;font-family:Calibri;letter-spacing:-0.15pt;font-style:normal;text-transform:none;font-variant: normal;">(State or Other Jurisdiction <br />of Incorporation)</p></td>
<td valign="top" style="width:1%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;;font-size:11pt;">&#160;</p></td>
<td valign="top" style="width:32%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:11pt;font-family:Calibri;letter-spacing:-0.15pt;font-style:normal;text-transform:none;font-variant: normal;">(Commission <br />File Number)</p></td>
<td valign="top" style="width:1%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="top" style="width:32%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:11pt;font-family:Calibri;letter-spacing:-0.15pt;font-style:normal;text-transform:none;font-variant: normal;">(IRS Employer <br />Identification No.)</p></td>
</tr>
</table></div>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
<div>
<table border="0" cellspacing="0" cellpadding="0" style="margin:auto;border-collapse:collapse; width:100%;">
<tr>
<td valign="top" style="width:50%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:11pt;font-family:Calibri;letter-spacing:-0.15pt;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000007" name="dei:EntityAddressAddressLine1" contextRef="C_0000916076_20200514_20200514">2710 Wycliff Road</ix:nonNumeric>, <ix:nonNumeric id="F_000008" name="dei:EntityAddressCityOrTown" contextRef="C_0000916076_20200514_20200514">Raleigh</ix:nonNumeric>, <ix:nonNumeric id="F_000009" name="dei:EntityAddressStateOrProvince" contextRef="C_0000916076_20200514_20200514" format="ixt-sec:stateprovnameen">North Carolina</ix:nonNumeric></p></td>
<td valign="top" style="width:1%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="bottom" style="width:49%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:11pt;font-family:Calibri;letter-spacing:-0.15pt;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000010" name="dei:EntityAddressPostalZipCode" contextRef="C_0000916076_20200514_20200514">27607</ix:nonNumeric></p></td>
</tr>
<tr>
<td valign="top" style="width:50%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:11pt;font-family:Calibri;letter-spacing:-0.15pt;font-style:normal;text-transform:none;font-variant: normal;">(Address of Principal Executive Offices)</p></td>
<td valign="top" style="width:1%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="top" style="width:49%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:11pt;font-family:Calibri;letter-spacing:-0.15pt;font-style:normal;text-transform:none;font-variant: normal;">(Zip Code)</p></td>
</tr>
</table></div>
<p style="text-align:center;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:11pt;font-family:Calibri;font-style:normal;text-transform:none;font-variant: normal;">(<ix:nonNumeric id="F_000011" name="dei:CityAreaCode" contextRef="C_0000916076_20200514_20200514">919</ix:nonNumeric>) <ix:nonNumeric id="F_000012" name="dei:LocalPhoneNumber" contextRef="C_0000916076_20200514_20200514">781-4550</ix:nonNumeric></p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:11pt;font-family:Calibri;letter-spacing:-0.15pt;font-style:normal;text-transform:none;font-variant: normal;">(Registrant&#8217;s Telephone Number, Including Area Code)</p>
<p style="margin-top:12pt;text-align:center;margin-bottom:0pt;text-indent:0%;font-size:11pt;font-family:Calibri;text-transform:none;font-weight:bold;font-style:normal;font-variant: normal;">Not Applicable</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:11pt;font-family:Calibri;letter-spacing:-0.15pt;font-style:normal;text-transform:none;font-variant: normal;">(Former Name or Former Address, if Changed Since Last Report)</p>
<p style="text-align:center;margin-top:6pt;border-bottom:Solid 0.75pt;padding-bottom:1pt;margin-bottom:0pt;margin-left:40%;margin-right:40%;text-indent:0%;font-size:9pt;">&#160;</p>
<p style="margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-size:10.5pt;font-family:Calibri;letter-spacing:-0.15pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</p>
<div style="align:left;">
<table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse;  margin-left:4.54%;width:90%;">
<tr>
<td style="width:2.96%;"></td>
<td style="width:87.04%;"></td>
</tr>
<tr>
<td valign="top">
<p style="text-align:justify;margin-top:6pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10.5pt;font-family:Segoe UI Symbol;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000013" name="dei:WrittenCommunications" contextRef="C_0000916076_20200514_20200514" format="ixt-sec:boolballotbox">&#9744;</ix:nonNumeric></p></td>
<td valign="top">
<p style="text-align:justify;margin-top:6pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10.5pt;font-family:Calibri;letter-spacing:-0.15pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</p></td>
</tr>
<tr>
<td valign="top">
<p style="text-align:justify;margin-top:6pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10.5pt;font-family:Segoe UI Symbol;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000014" name="dei:SolicitingMaterial" contextRef="C_0000916076_20200514_20200514" format="ixt-sec:boolballotbox">&#9744;</ix:nonNumeric></p></td>
<td valign="top">
<p style="text-align:justify;margin-top:6pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10.5pt;font-family:Calibri;letter-spacing:-0.15pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</p></td>
</tr>
<tr>
<td valign="top">
<p style="margin-top:6pt;text-align:justify;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10.5pt;font-family:Segoe UI Symbol;letter-spacing:-0.15pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000015" name="dei:PreCommencementTenderOffer" contextRef="C_0000916076_20200514_20200514" format="ixt-sec:boolballotbox">&#9744;</ix:nonNumeric></p></td>
<td valign="top">
<p style="margin-top:6pt;text-align:justify;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10.5pt;font-family:Calibri;letter-spacing:-0.15pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</p></td>
</tr>
<tr>
<td valign="top">
<p style="margin-top:6pt;text-align:justify;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10.5pt;font-family:Segoe UI Symbol;letter-spacing:-0.15pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000016" name="dei:PreCommencementIssuerTenderOffer" contextRef="C_0000916076_20200514_20200514" format="ixt-sec:boolballotbox">&#9744;</ix:nonNumeric></p></td>
<td valign="top">
<p style="margin-top:6pt;text-align:justify;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10.5pt;font-family:Calibri;letter-spacing:-0.15pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</p></td>
</tr>
</table></div>
<p style="margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-size:10.5pt;font-family:Calibri;letter-spacing:-0.15pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (&#167;&#8201;230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (&#167;&#8201;240.12b-2 of this chapter). Emerging growth company<span style="font-family:Times New Roman;">&#160;</span><span style="font-family:Segoe UI Symbol;"><ix:nonNumeric id="F_000017" name="dei:EntityEmergingGrowthCompany" contextRef="C_0000916076_20200514_20200514" format="ixt-sec:boolballotbox">&#9744;</ix:nonNumeric></span></p>
<p style="margin-top:9pt;margin-bottom:0pt;text-indent:0%;font-size:10.5pt;font-family:Calibri;letter-spacing:-0.15pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.<span style="font-family:Times New Roman;">&#160;</span><span style="font-family:Segoe UI Symbol;">&#9744;</span></p>
<p style="margin-top:9pt;margin-bottom:0pt;text-indent:0%;font-size:10.5pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Securities registered pursuant to Section 12(b) of the Act:</p>
<div style="align:left;">
<table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse; width:99.91%;">
<tr>
<td style="width:36.05%;"></td>
<td style="width:21.32%;"></td>
<td style="width:42.54%;"></td>
</tr>
<tr>
<td valign="top" style=" border-top:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-top:9pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10.5pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Title of each class</p></td>
<td valign="top" style=" border-top:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-top:9pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10.5pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Trading Symbol(s)</p></td>
<td valign="top" style=" border-top:solid 0.75pt #000000; border-right:solid 0.75pt #000000; border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000;">
<p style="text-align:center;margin-top:9pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-size:10.5pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Name of each exchange on which registered</p></td>
</tr>
<tr>
<td valign="top" style=" border-bottom:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-top:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-top:9pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10.5pt;font-family:Calibri;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000019" name="dei:Security12bTitle" contextRef="C_0000916076_20200514_20200514">Common Stock, $.01 par value per share</ix:nonNumeric></p></td>
<td valign="top" style=" border-bottom:solid 0.75pt #000000; border-top:solid 0.75pt #000000; border-left:solid 0.75pt #000000; border-right:solid 0.75pt #000000;">
<p style="text-align:center;margin-top:9pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10.5pt;font-family:Calibri;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000020" name="dei:TradingSymbol" contextRef="C_0000916076_20200514_20200514">MLM</ix:nonNumeric></p></td>
<td valign="top" style=" border-bottom:solid 0.75pt #000000; border-right:solid 0.75pt #000000; border-top:solid 0.75pt #000000; border-left:solid 0.75pt #000000;">
<p style="text-align:center;margin-top:9pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10.5pt;font-family:Calibri;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000021" name="dei:SecurityExchangeName" contextRef="C_0000916076_20200514_20200514" format="ixt-sec:exchnameen">New York Stock Exchange</ix:nonNumeric></p></td>
</tr>
</table></div>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-weight:bold;;font-size:11pt;">&#160;</p>
<p style="text-align:center;margin-top:8pt;line-height:1pt;border-top:Solid 0.75pt;padding-top:1pt;border-bottom:Solid 0.75pt;padding-bottom:1pt;margin-bottom:0pt;text-indent:0%;font-size:11pt;">&#160;</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:11pt;">&#160;</p>
<hr style="page-break-after:always" />
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:11pt;font-family:Calibri;font-style:normal;text-transform:none;font-variant: normal;"><span style="font-weight:bold;font-size:11pt;font-family:Calibri;font-style:normal;text-transform:none;font-variant: normal;">Item 5.07</span><span style="margin-left:54pt;"></span><span style="font-weight:bold;font-size:11pt;font-family:Calibri;font-style:normal;text-transform:none;font-variant: normal;">Submission of Matters to a Vote of Security Holders.</span></p>
<p style="text-align:justify;margin-top:12pt;margin-bottom:0pt;margin-right:2.41%;text-indent:0%;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Martin Marietta Materials, Inc. held its Annual Meeting of Shareholders on May 14, 2020.&#160;&#160;Of the 62,143,706 shares outstanding and entitled to vote, 56,655,367 shares were represented at the meeting, or a 91.17% quorum.&#160;&#160;The final results of voting for each matter submitted to a vote of shareholders at the meeting are as follows: </p>
<p style="text-align:justify;margin-top:12pt;margin-bottom:0pt;margin-right:2.41%;text-indent:0%;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><span style="text-decoration:underline;">Proposal 1 &#8211; Election of Directors</span></p>
<p style="text-align:justify;margin-top:6pt;margin-bottom:0pt;margin-right:2.41%;text-indent:0%;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Elected the following ten individuals to the Board of Directors to serve as directors for a term of one year until the Annual Meeting of Shareholders in 2021, and until their successors have been duly elected and qualified<span style="font-weight:bold;">:</span></p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:10%;margin-right:2.41%;text-indent:0%;font-family:Times New Roman;font-weight:bold;;font-size:11pt;">&#160;</p>
<div style="align:left;">
<table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse;  margin-left:6%;width:88.13%;">
<tr>
<td style="width:20.98%;"></td>
<td style="width:2.91%;"></td>
<td style="width:13.78%;"></td>
<td style="width:2.46%;"></td>
<td style="width:15.18%;"></td>
<td style="width:2.46%;"></td>
<td style="width:14.72%;"></td>
<td style="width:2.46%;"></td>
<td style="width:13.18%;"></td>
</tr>
<tr>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Votes</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><span style="text-decoration:underline;">Cast For</span></p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Votes</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><span style="text-decoration:underline;">Against</span></p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Votes</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><span style="text-decoration:underline;">Abstained</span></p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Broker</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><span style="text-decoration:underline;">Non-Votes</span></p></td>
</tr>
<tr>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
</tr>
<tr>
<td valign="top">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Dorothy M. Ables</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">53,663,782</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">38,232</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">17,143</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2,936,210</p></td>
</tr>
<tr>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
</tr>
<tr>
<td valign="top">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Sue W. Cole</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">52,899,591</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">810,013</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">9,553</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2,936,210</p></td>
</tr>
<tr>
<td valign="top">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
</tr>
<tr>
<td valign="top">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Smith W. Davis</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">53,459,412</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">241,972</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">17,773</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2,936,210</p></td>
</tr>
<tr>
<td valign="top">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:right;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
</tr>
<tr>
<td valign="top">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">John J. Koraleski</p></td>
<td valign="top">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">52,943,128</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">758,277</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">17,752</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2,936,210</p></td>
</tr>
<tr>
<td valign="top">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
</tr>
<tr>
<td valign="top">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">C. Howard Nye</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">51,549,176</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">1,924,288</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">245,693</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2,936,210</p></td>
</tr>
<tr>
<td valign="top">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
</tr>
<tr>
<td valign="top">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Laree E. Perez</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">52,260,876</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">1,440,770</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">17,511</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2,936,210</p></td>
</tr>
<tr>
<td valign="top">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
</tr>
<tr>
<td valign="top">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Thomas H. Pike</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">53,599,914</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">100,964</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">18,279</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2,936,210</p></td>
</tr>
<tr>
<td valign="top">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
</tr>
<tr>
<td valign="top">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Michael J. Quillen</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">52,689,369</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">1,010,521</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">19,267</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2,936,210</p></td>
</tr>
<tr>
<td valign="top">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
</tr>
<tr>
<td valign="top">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Donald W. Slager</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">53,296,506</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">403,532</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">19,119</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2,936,210</p></td>
</tr>
<tr>
<td valign="top">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
</tr>
<tr>
<td valign="top">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">David J. Wajsgras</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">53,659,776</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">40,259</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">19,122</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2,936,210</p></td>
</tr>
<tr>
<td valign="top">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;margin-right:2.41%;text-indent:0pt;;font-family:Times New Roman;font-size:11pt;">&#160;</p></td>
</tr>
</table></div>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:10%;margin-right:2.41%;text-indent:0%;font-family:Times New Roman;font-size:11pt;">&#160;</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-right:2.41%;text-indent:0%;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><span style="text-decoration:underline;">Proposal 2 &#8211; Ratification of Appointment of Independent Auditors </span></p>
<p style="text-align:justify;margin-top:6pt;margin-bottom:0pt;margin-right:2.41%;text-indent:0%;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Ratified the selection of PricewaterhouseCoopers LLP as independent auditors for the year ending December&#160;31, 2020.&#160;&#160;The voting results for this ratification were 56,524,879 shares voted for&#59; 112,461 shares voted against&#59; and 18,027 shares abstained from voting.</p>
<p style="text-align:justify;margin-top:12pt;margin-bottom:0pt;margin-right:2.41%;text-indent:0%;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><span style="text-decoration:underline;">Proposal 3 &#8212; Advisory Vote on Compensation of Named Executive Officers</span></p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-right:2.41%;text-indent:0%;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Approved, on an advisory basis, the overall compensation paid to the Corporation&#8217;s named executive officers, as disclosed pursuant to Item 402 of Regulation S-K in the Proxy Statement.&#160;&#160;The voting results for this approval were 51,131,253 shares voted for&#59; 2,449,864 shares voted against&#59; 138,040 shares abstained from voting&#59; and there were 2,936,210 broker non-votes. </p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:11pt;">&#160;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:11pt;">&#160;</p>
<div style="align:left;">
<table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse; width:100%;">
<tr>
<td valign="top" style="width:9.06%;white-space:nowrap">
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;font-size:11pt;font-family:Calibri;font-weight:bold;font-style:normal;text-transform:none;font-variant: normal;"><span style="font-size:11pt;font-family:Calibri;font-weight:bold;font-style:normal;text-transform:none;font-variant: normal;">Item 9.01</span></p></td>
<td valign="top">
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;font-weight:bold;font-style:normal;text-transform:none;font-variant: normal;font-family:Calibri;font-size:11pt;">Financial Statements and Exhibits.</p></td></tr></table></div>
<p style="text-align:justify;margin-top:6pt;margin-bottom:0pt;text-indent:0%;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(d) Exhibits</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
<div>
<table border="0" cellspacing="0" cellpadding="0" style="margin:auto;border-collapse:collapse; width:100%;">
<tr>
<td valign="top" style="width:8%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="top" style="width:1%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="top" style="width:90%;">
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
</tr>
</table></div>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">104<span style="margin-left:36pt;">&#160;&#160;&#160;&#160; </span>Cover Page Interactive Data File (embedded within the Inline XBRL document)</p>
<hr style="page-break-after:always" />
<p style="text-align:center; clear:both;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:11pt;font-family:Calibri;font-style:normal;text-transform:none;font-variant: normal;"><span style="font-weight:bold;font-size:11pt;font-family:Calibri;font-style:normal;text-transform:none;font-variant: normal;">SIGNATURES</span></p>
<p style="text-align:justify;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p>
<div>
<table border="0" cellspacing="0" cellpadding="0" style="margin:auto;border-collapse:collapse; width:100%;">
<tr>
<td valign="top" style="width:50%; border-bottom:solid 0.75pt transparent;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="top" style="width:0.82%; border-bottom:solid 0.75pt transparent;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="bottom" style="width:0.84%; border-bottom:solid 0.75pt transparent;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td colspan="3" valign="bottom" style="width:48.34%; border-bottom:solid 0.75pt #000000;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">MARTIN MARIETTA MATERIALS, INC.</p></td>
</tr>
<tr>
<td valign="top" style="width:50%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="top" style="width:0.82%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="bottom" style="width:0.84%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="top" style="width:4.48%; border-top:solid 0.75pt #000000;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="bottom" style="width:1.12%; border-top:solid 0.75pt #000000;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="bottom" style="width:42.74%; border-top:solid 0.75pt #000000;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(Registrant)</p></td>
</tr>
</table></div>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:11pt;">&#160;</p>
<div>
<table border="0" cellspacing="0" cellpadding="0" style="margin:auto;border-collapse:collapse; width:100%;">
<tr>
<td valign="bottom" style="width:50%; border-bottom:solid 0.75pt transparent;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Date: May 15, 2020</p></td>
<td valign="top" style="width:0.82%; border-bottom:solid 0.75pt transparent;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="bottom" style="width:0.84%; border-bottom:solid 0.75pt transparent;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="bottom" style="width:4.48%; border-bottom:solid 0.75pt transparent;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">By:</p></td>
<td valign="bottom" style="width:1.12%; border-bottom:solid 0.75pt transparent;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="bottom" style="width:42.74%; border-bottom:solid 0.75pt #000000;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">/s/ Roselyn R. Bar</p></td>
</tr>
<tr>
<td valign="top" style="width:50%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="top" style="width:0.82%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="bottom" style="width:0.84%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="top" style="width:4.48%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="bottom" style="width:1.12%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="bottom" style="width:42.74%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Roselyn R. Bar,</p></td>
</tr>
<tr>
<td valign="top" style="width:50%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="bottom" style="width:0.82%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="bottom" style="width:0.84%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">&#160;</p></td>
<td valign="top" style="width:4.48%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="bottom" style="width:1.12%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="bottom" style="width:42.74%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Calibri;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Executive Vice President, General Counsel and Corporate Secretary</p></td>
</tr>
</table></div>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:11pt;">&#160;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:11pt;">&#160;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:11pt;">&#160;</p></body>
</html>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>2
<FILENAME>mlm-20200514.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
<TEXT>
<XBRL>
<?xml version="1.0" encoding="us-ascii"?>
<!-- DFIN ActiveDisclosure(SM) XBRL Schema Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date      : 2020-05-14T15:54:10.0946374+00:00 -->
<!-- Version            : 5.0.1.385 -->
<!-- Package ID         : 621cf47c8782494b9d73af5ea62beac7 -->
<!-- Copyright (c) 2020 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<xsd:schema xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:sic="http://xbrl.sec.gov/sic/2011-01-31" xmlns:stpr="http://xbrl.sec.gov/stpr/2018-01-31" xmlns:naics="http://xbrl.sec.gov/naics/2017-01-31" xmlns:srt-types="http://fasb.org/srt-types/2019-01-31" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:srt="http://fasb.org/srt/2019-01-31" xmlns:us-gaap="http://fasb.org/us-gaap/2019-01-31" xmlns:dei="http://xbrl.sec.gov/dei/2019-01-31" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:country="http://xbrl.sec.gov/country/2017-01-31" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:currency="http://xbrl.sec.gov/currency/2019-01-31" xmlns:us-types="http://fasb.org/us-types/2019-01-31" xmlns:exch="http://xbrl.sec.gov/exch/2019-01-31" xmlns:mlm="http://martinmarietta.com/20200514" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://martinmarietta.com/20200514" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/instance" />
  <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/linkbase" />
  <xsd:import schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" namespace="http://xbrl.org/2005/xbrldt" />
  <xsd:import schemaLocation="https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd" namespace="http://xbrl.sec.gov/country/2017-01-31" />
  <xsd:import schemaLocation="https://xbrl.sec.gov/currency/2019/currency-2019-01-31.xsd" namespace="http://xbrl.sec.gov/currency/2019-01-31" />
  <xsd:import schemaLocation="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd" namespace="http://xbrl.sec.gov/dei/2019-01-31" />
  <xsd:import schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" namespace="http://www.xbrl.org/dtr/type/non-numeric" />
  <xsd:import schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" namespace="http://www.xbrl.org/dtr/type/numeric" />
  <xsd:import schemaLocation="https://xbrl.sec.gov/exch/2019/exch-2019-01-31.xsd" namespace="http://xbrl.sec.gov/exch/2019-01-31" />
  <xsd:import schemaLocation="http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd" namespace="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact" />
  <xsd:import schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" namespace="http://www.xbrl.org/2009/role/negated" />
  <xsd:import schemaLocation="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd" namespace="http://www.xbrl.org/2009/role/net" />
  <xsd:import schemaLocation="https://xbrl.sec.gov/naics/2017/naics-2017-01-31.xsd" namespace="http://xbrl.sec.gov/naics/2017-01-31" />
  <xsd:import schemaLocation="https://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd" namespace="http://xbrl.sec.gov/sic/2011-01-31" />
  <xsd:import schemaLocation="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd" namespace="http://fasb.org/srt/2019-01-31" />
  <xsd:import schemaLocation="http://xbrl.fasb.org/srt/2019/elts/srt-roles-2019-01-31.xsd" namespace="http://fasb.org/srt-roles/2019-01-31" />
  <xsd:import schemaLocation="http://xbrl.fasb.org/srt/2019/elts/srt-types-2019-01-31.xsd" namespace="http://fasb.org/srt-types/2019-01-31" />
  <xsd:import schemaLocation="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd" namespace="http://xbrl.sec.gov/stpr/2018-01-31" />
  <xsd:import schemaLocation="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd" namespace="http://fasb.org/us-gaap/2019-01-31" />
  <xsd:import schemaLocation="http://xbrl.fasb.org/us-gaap/2019/elts/us-roles-2019-01-31.xsd" namespace="http://fasb.org/us-roles/2019-01-31" />
  <xsd:import schemaLocation="http://xbrl.fasb.org/us-gaap/2019/elts/us-types-2019-01-31.xsd" namespace="http://fasb.org/us-types/2019-01-31" />
  <xsd:annotation>
    <xsd:appinfo>
      <link:roleType id="TemplateLink" roleURI="http://martinmarietta.com/20200514/role/TemplateLink" xmlns:link="http://www.xbrl.org/2003/linkbase">
        <link:definition>00000 - Document - Template Link</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="mlm-20200514_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:title="Label Links, all" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="mlm-20200514_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:title="Presentation Links, all" xlink:type="simple" />
      <link:roleType roleURI="http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation" id="Role_DocumentDocumentAndEntityInformation">
        <link:definition>100000 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xsd:appinfo>
  </xsd:annotation>
</xsd:schema>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>3
<FILENAME>mlm-20200514_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
<TEXT>
<XBRL>
<?xml version="1.0" encoding="us-ascii" standalone="yes"?>
<!-- DFIN ActiveDisclosure(SM) XBRL Linkbase Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date      : 2020-05-14T15:54:10.0946374+00:00 -->
<!-- Version            : 5.0.1.385 -->
<!-- Package ID         : 621cf47c8782494b9d73af5ea62beac7 -->
<!-- Copyright (c) 2020 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://fasb.org/us-gaap/role/label/axisDefault" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-roles-2019-01-31.xsd#axisDefault" xlink:type="simple" />
  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCentralIndexKey" xlink:type="locator" xlink:label="dei_EntityCentralIndexKey" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Central Index Key</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCentralIndexKey" xlink:to="dei_EntityCentralIndexKey_lbl" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CoverAbstract" xlink:type="locator" xlink:label="dei_CoverAbstract" />
    <link:label xml:lang="en-US" xlink:label="dei_CoverAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cover [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CoverAbstract" xlink:to="dei_CoverAbstract_lbl" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentType" xlink:type="locator" xlink:label="dei_DocumentType" />
    <link:label xml:lang="en-US" xlink:label="dei_DocumentType_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Type</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentType" xlink:to="dei_DocumentType_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_DocumentType_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Document Type</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_AmendmentFlag" xlink:type="locator" xlink:label="dei_AmendmentFlag" />
    <link:label xml:lang="en-US" xlink:label="dei_AmendmentFlag_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amendment Flag</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentFlag" xlink:to="dei_AmendmentFlag_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_AmendmentFlag_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Flag</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentPeriodEndDate" xlink:type="locator" xlink:label="dei_DocumentPeriodEndDate" />
    <link:label xml:lang="en-US" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Period End Date</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodEndDate" xlink:to="dei_DocumentPeriodEndDate_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Document Period End Date</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityRegistrantName" xlink:type="locator" xlink:label="dei_EntityRegistrantName" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityRegistrantName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Registrant Name</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityRegistrantName" xlink:to="dei_EntityRegistrantName_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityRegistrantName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Registrant Name</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityIncorporationStateCountryCode" xlink:type="locator" xlink:label="dei_EntityIncorporationStateCountryCode" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Incorporation, State or Country Code</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityIncorporationStateCountryCode" xlink:to="dei_EntityIncorporationStateCountryCode_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation State Country Code</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFileNumber" xlink:type="locator" xlink:label="dei_EntityFileNumber" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityFileNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity File Number</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFileNumber" xlink:to="dei_EntityFileNumber_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityFileNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity File Number</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityTaxIdentificationNumber" xlink:type="locator" xlink:label="dei_EntityTaxIdentificationNumber" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Tax Identification Number</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityTaxIdentificationNumber" xlink:to="dei_EntityTaxIdentificationNumber_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Tax Identification Number</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressAddressLine1" xlink:type="locator" xlink:label="dei_EntityAddressAddressLine1" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Address Line One</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressAddressLine1" xlink:to="dei_EntityAddressAddressLine1_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address Address Line1</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressCityOrTown" xlink:type="locator" xlink:label="dei_EntityAddressCityOrTown" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, City or Town</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressCityOrTown" xlink:to="dei_EntityAddressCityOrTown_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address City Or Town</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressStateOrProvince" xlink:type="locator" xlink:label="dei_EntityAddressStateOrProvince" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, State or Province</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressStateOrProvince" xlink:to="dei_EntityAddressStateOrProvince_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address State Or Province</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressPostalZipCode" xlink:type="locator" xlink:label="dei_EntityAddressPostalZipCode" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Postal Zip Code</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressPostalZipCode" xlink:to="dei_EntityAddressPostalZipCode_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address Postal Zip Code</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CityAreaCode" xlink:type="locator" xlink:label="dei_CityAreaCode" />
    <link:label xml:lang="en-US" xlink:label="dei_CityAreaCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">City Area Code</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CityAreaCode" xlink:to="dei_CityAreaCode_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_CityAreaCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">City Area Code</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LocalPhoneNumber" xlink:type="locator" xlink:label="dei_LocalPhoneNumber" />
    <link:label xml:lang="en-US" xlink:label="dei_LocalPhoneNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Local Phone Number</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LocalPhoneNumber" xlink:to="dei_LocalPhoneNumber_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_LocalPhoneNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Local Phone Number</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_WrittenCommunications" xlink:type="locator" xlink:label="dei_WrittenCommunications" />
    <link:label xml:lang="en-US" xlink:label="dei_WrittenCommunications_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Written Communications</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_WrittenCommunications" xlink:to="dei_WrittenCommunications_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_WrittenCommunications_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Written Communications</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_SolicitingMaterial" xlink:type="locator" xlink:label="dei_SolicitingMaterial" />
    <link:label xml:lang="en-US" xlink:label="dei_SolicitingMaterial_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Soliciting Material</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SolicitingMaterial" xlink:to="dei_SolicitingMaterial_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_SolicitingMaterial_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Soliciting Material</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_PreCommencementTenderOffer" xlink:type="locator" xlink:label="dei_PreCommencementTenderOffer" />
    <link:label xml:lang="en-US" xlink:label="dei_PreCommencementTenderOffer_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pre-commencement Tender Offer</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_PreCommencementTenderOffer" xlink:to="dei_PreCommencementTenderOffer_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_PreCommencementTenderOffer_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Pre Commencement Tender Offer</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_PreCommencementIssuerTenderOffer" xlink:type="locator" xlink:label="dei_PreCommencementIssuerTenderOffer" />
    <link:label xml:lang="en-US" xlink:label="dei_PreCommencementIssuerTenderOffer_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pre-commencement Issuer Tender Offer</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_PreCommencementIssuerTenderOffer" xlink:to="dei_PreCommencementIssuerTenderOffer_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_PreCommencementIssuerTenderOffer_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Pre Commencement Issuer Tender Offer</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityEmergingGrowthCompany" xlink:type="locator" xlink:label="dei_EntityEmergingGrowthCompany" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Emerging Growth Company</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityEmergingGrowthCompany" xlink:to="dei_EntityEmergingGrowthCompany_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Emerging Growth Company</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Central Index Key</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_Security12bTitle" xlink:type="locator" xlink:label="dei_Security12bTitle" />
    <link:label xml:lang="en-US" xlink:label="dei_Security12bTitle_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Title of (12b) Security</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_Security12bTitle" xlink:to="dei_Security12bTitle_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_Security12bTitle_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Security12b Title</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_TradingSymbol" xlink:type="locator" xlink:label="dei_TradingSymbol" />
    <link:label xml:lang="en-US" xlink:label="dei_TradingSymbol_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trading Symbol</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_TradingSymbol" xlink:to="dei_TradingSymbol_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_TradingSymbol_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Trading Symbol</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_SecurityExchangeName" xlink:type="locator" xlink:label="dei_SecurityExchangeName" />
    <link:label xml:lang="en-US" xlink:label="dei_SecurityExchangeName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Security Exchange Name</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SecurityExchangeName" xlink:to="dei_SecurityExchangeName_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_SecurityExchangeName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Security Exchange Name</link:label>
  </link:labelLink>
</link:linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>4
<FILENAME>mlm-20200514_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE
<TEXT>
<XBRL>
<?xml version="1.0" encoding="us-ascii" standalone="yes"?>
<!-- DFIN ActiveDisclosure(SM) XBRL Linkbase Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date      : 2020-05-14T15:54:10.0946374+00:00 -->
<!-- Version            : 5.0.1.385 -->
<!-- Package ID         : 621cf47c8782494b9d73af5ea62beac7 -->
<!-- Copyright (c) 2020 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://martinmarietta.com/20200514/role/TemplateLink" xlink:href="mlm-20200514.xsd#TemplateLink" xlink:type="simple" />
  <link:roleRef roleURI="http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation" xlink:href="mlm-20200514.xsd#Role_DocumentDocumentAndEntityInformation" xlink:type="simple" />
  <link:presentationLink xlink:type="extended" xlink:role="http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation">
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_SecurityExchangeName" xlink:type="locator" xlink:label="dei_SecurityExchangeName" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_TradingSymbol" xlink:type="locator" xlink:label="dei_TradingSymbol" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_Security12bTitle" xlink:type="locator" xlink:label="dei_Security12bTitle" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCentralIndexKey" xlink:type="locator" xlink:label="dei_EntityCentralIndexKey" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityEmergingGrowthCompany" xlink:type="locator" xlink:label="dei_EntityEmergingGrowthCompany" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_PreCommencementIssuerTenderOffer" xlink:type="locator" xlink:label="dei_PreCommencementIssuerTenderOffer" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_PreCommencementTenderOffer" xlink:type="locator" xlink:label="dei_PreCommencementTenderOffer" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_SolicitingMaterial" xlink:type="locator" xlink:label="dei_SolicitingMaterial" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_WrittenCommunications" xlink:type="locator" xlink:label="dei_WrittenCommunications" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LocalPhoneNumber" xlink:type="locator" xlink:label="dei_LocalPhoneNumber" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CityAreaCode" xlink:type="locator" xlink:label="dei_CityAreaCode" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressPostalZipCode" xlink:type="locator" xlink:label="dei_EntityAddressPostalZipCode" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressStateOrProvince" xlink:type="locator" xlink:label="dei_EntityAddressStateOrProvince" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressCityOrTown" xlink:type="locator" xlink:label="dei_EntityAddressCityOrTown" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressAddressLine1" xlink:type="locator" xlink:label="dei_EntityAddressAddressLine1" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityTaxIdentificationNumber" xlink:type="locator" xlink:label="dei_EntityTaxIdentificationNumber" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFileNumber" xlink:type="locator" xlink:label="dei_EntityFileNumber" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityIncorporationStateCountryCode" xlink:type="locator" xlink:label="dei_EntityIncorporationStateCountryCode" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityRegistrantName" xlink:type="locator" xlink:label="dei_EntityRegistrantName" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentPeriodEndDate" xlink:type="locator" xlink:label="dei_DocumentPeriodEndDate" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_AmendmentFlag" xlink:type="locator" xlink:label="dei_AmendmentFlag" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentType" xlink:type="locator" xlink:label="dei_DocumentType" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CoverAbstract" xlink:type="locator" xlink:label="dei_CoverAbstract" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentType" order="10010.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_AmendmentFlag" order="10030.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentPeriodEndDate" order="10050.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityRegistrantName" order="10070.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityIncorporationStateCountryCode" order="10090.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityFileNumber" order="10110.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityTaxIdentificationNumber" order="10130.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityAddressAddressLine1" order="10150.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityAddressCityOrTown" order="10170.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityAddressStateOrProvince" order="10190.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityAddressPostalZipCode" order="10210.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_CityAreaCode" order="10230.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_LocalPhoneNumber" order="10250.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_WrittenCommunications" order="10270.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_SolicitingMaterial" order="10290.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_PreCommencementTenderOffer" order="10310.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_PreCommencementIssuerTenderOffer" order="10330.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityEmergingGrowthCompany" order="10350.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityCentralIndexKey" order="10370.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_Security12bTitle" order="10390.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_TradingSymbol" order="10430.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_SecurityExchangeName" order="10470.00" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
</link:linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>5
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.20.1</span><table class="report" border="0" cellspacing="2" id="idp6643280288">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Document and Entity Information<br></strong></div></th>
<th class="th"><div>May 14, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_CoverAbstract', window );"><strong>Cover [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentType', window );">Document Type</a></td>
<td class="text">8-K<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_AmendmentFlag', window );">Amendment Flag</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">May 14,  2020<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">Martin Marietta Materials, Inc.<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityIncorporationStateCountryCode', window );">Entity Incorporation, State or Country Code</a></td>
<td class="text">NC<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityFileNumber', window );">Entity File Number</a></td>
<td class="text">1-12744<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">56-1848578<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressAddressLine1', window );">Entity Address, Address Line One</a></td>
<td class="text">2710 Wycliff Road<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressCityOrTown', window );">Entity Address, City or Town</a></td>
<td class="text">Raleigh<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressStateOrProvince', window );">Entity Address, State or Province</a></td>
<td class="text">NC<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressPostalZipCode', window );">Entity Address, Postal Zip Code</a></td>
<td class="text">27607<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_CityAreaCode', window );">City Area Code</a></td>
<td class="text">919<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">781-4550<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_WrittenCommunications', window );">Written Communications</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SolicitingMaterial', window );">Soliciting Material</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_PreCommencementTenderOffer', window );">Pre-commencement Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_PreCommencementIssuerTenderOffer', window );">Pre-commencement Issuer Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0000916076<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Title of (12b) Security</a></td>
<td class="text">Common Stock, $.01 par value per share<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">MLM<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NYSE<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AmendmentFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AmendmentFlag</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CityAreaCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Area code of city</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CityAreaCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CoverAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Cover page.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CoverAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentPeriodEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented.  If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentPeriodEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentType">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentType</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:submissionTypeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressAddressLine1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Address Line 1 such as Attn, Building Name, Street Name</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressAddressLine1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressCityOrTown">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the City or Town</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressCityOrTown</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressPostalZipCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Code for the postal or zip code</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressPostalZipCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressStateOrProvince">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the state or province.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressStateOrProvince</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:stateOrProvinceItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCentralIndexKey">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCentralIndexKey</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:centralIndexKeyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityEmergingGrowthCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate if registrant meets the emerging growth company criteria.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityEmergingGrowthCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFileNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFileNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:fileNumberItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityIncorporationStateCountryCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Two-character EDGAR code representing the state or country of incorporation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityIncorporationStateCountryCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarStateCountryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityRegistrantName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityRegistrantName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityTaxIdentificationNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityTaxIdentificationNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:employerIdItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LocalPhoneNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Local phone number for entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LocalPhoneNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementIssuerTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 13e<br> -Subsection 4c<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementIssuerTenderOffer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 14d<br> -Subsection 2b<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementTenderOffer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_Security12bTitle">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Title of a 12(b) registered security.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_Security12bTitle</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:securityTitleItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SecurityExchangeName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the Exchange on which a security is registered.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection d1-1<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SecurityExchangeName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarExchangeCodeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SolicitingMaterial">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Section 14a<br> -Number 240<br> -Subsection 12<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SolicitingMaterial</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_TradingSymbol">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Trading symbol of an instrument as listed on an exchange.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_TradingSymbol</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:tradingSymbolItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_WrittenCommunications">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Securities Act<br> -Number 230<br> -Section 425<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_WrittenCommunications</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>6
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
{
 "instance": {
  "mlm-8k_20200514.htm": {
   "axisCustom": 0,
   "axisStandard": 0,
   "contextCount": 1,
   "dts": {
    "definitionLink": {
     "remote": [
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-eedm-def-2019-01-31.xml",
      "http://xbrl.fasb.org/srt/2019/elts/srt-eedm1-def-2019-01-31.xml"
     ]
    },
    "inline": {
     "local": [
      "mlm-8k_20200514.htm"
     ]
    },
    "labelLink": {
     "local": [
      "mlm-20200514_lab.xml"
     ],
     "remote": [
      "https://xbrl.sec.gov/dei/2019/dei-doc-2019-01-31.xml"
     ]
    },
    "presentationLink": {
     "local": [
      "mlm-20200514_pre.xml"
     ]
    },
    "referenceLink": {
     "remote": [
      "https://xbrl.sec.gov/dei/2019/dei-ref-2019-01-31.xml"
     ]
    },
    "schema": {
     "local": [
      "mlm-20200514.xsd"
     ],
     "remote": [
      "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xl-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd",
      "http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd",
      "https://xbrl.sec.gov/currency/2019/currency-2019-01-31.xsd",
      "https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd",
      "http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd",
      "https://xbrl.sec.gov/exch/2019/exch-2019-01-31.xsd",
      "http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd",
      "https://xbrl.sec.gov/naics/2017/naics-2017-01-31.xsd",
      "https://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd",
      "http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd",
      "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
      "http://xbrl.fasb.org/srt/2019/elts/srt-types-2019-01-31.xsd",
      "http://xbrl.fasb.org/srt/2019/elts/srt-roles-2019-01-31.xsd",
      "https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-roles-2019-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-types-2019-01-31.xsd",
      "http://www.xbrl.org/lrr/role/deprecated-2009-12-16.xsd"
     ]
    }
   },
   "elementCount": 23,
   "entityCount": 1,
   "hidden": {
    "http://xbrl.sec.gov/dei/2019-01-31": 2,
    "total": 2
   },
   "keyCustom": 0,
   "keyStandard": 95,
   "memberCustom": 0,
   "memberStandard": 0,
   "nsprefix": "mlm",
   "nsuri": "http://martinmarietta.com/20200514",
   "report": {
    "R1": {
     "firstAnchor": {
      "ancestors": [
       "p",
       "body",
       "html"
      ],
      "baseRef": "mlm-8k_20200514.htm",
      "contextRef": "C_0000916076_20200514_20200514",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:DocumentType",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "document",
     "isDefault": "true",
     "longName": "100000 - Document - Document and Entity Information",
     "role": "http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation",
     "shortName": "Document and Entity Information",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "p",
       "body",
       "html"
      ],
      "baseRef": "mlm-8k_20200514.htm",
      "contextRef": "C_0000916076_20200514_20200514",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:DocumentType",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    }
   },
   "segmentCount": 0,
   "tag": {
    "dei_AmendmentFlag": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.",
        "label": "Amendment Flag",
        "terseLabel": "Amendment Flag"
       }
      }
     },
     "localname": "AmendmentFlag",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_CityAreaCode": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Area code of city",
        "label": "City Area Code",
        "terseLabel": "City Area Code"
       }
      }
     },
     "localname": "CityAreaCode",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_CoverAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Cover page.",
        "label": "Cover [Abstract]"
       }
      }
     },
     "localname": "CoverAbstract",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "dei_DocumentPeriodEndDate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented.  If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.",
        "label": "Document Period End Date",
        "terseLabel": "Document Period End Date"
       }
      }
     },
     "localname": "DocumentPeriodEndDate",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "dateItemType"
    },
    "dei_DocumentType": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.",
        "label": "Document Type",
        "terseLabel": "Document Type"
       }
      }
     },
     "localname": "DocumentType",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "submissionTypeItemType"
    },
    "dei_EntityAddressAddressLine1": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Address Line 1 such as Attn, Building Name, Street Name",
        "label": "Entity Address Address Line1",
        "terseLabel": "Entity Address, Address Line One"
       }
      }
     },
     "localname": "EntityAddressAddressLine1",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressCityOrTown": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Name of the City or Town",
        "label": "Entity Address City Or Town",
        "terseLabel": "Entity Address, City or Town"
       }
      }
     },
     "localname": "EntityAddressCityOrTown",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressPostalZipCode": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Code for the postal or zip code",
        "label": "Entity Address Postal Zip Code",
        "terseLabel": "Entity Address, Postal Zip Code"
       }
      }
     },
     "localname": "EntityAddressPostalZipCode",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressStateOrProvince": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Name of the state or province.",
        "label": "Entity Address State Or Province",
        "terseLabel": "Entity Address, State or Province"
       }
      }
     },
     "localname": "EntityAddressStateOrProvince",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "stateOrProvinceItemType"
    },
    "dei_EntityCentralIndexKey": {
     "auth_ref": [
      "r5"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.",
        "label": "Entity Central Index Key",
        "terseLabel": "Entity Central Index Key"
       }
      }
     },
     "localname": "EntityCentralIndexKey",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "centralIndexKeyItemType"
    },
    "dei_EntityEmergingGrowthCompany": {
     "auth_ref": [
      "r5"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicate if registrant meets the emerging growth company criteria.",
        "label": "Entity Emerging Growth Company",
        "terseLabel": "Entity Emerging Growth Company"
       }
      }
     },
     "localname": "EntityEmergingGrowthCompany",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntityFileNumber": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.",
        "label": "Entity File Number",
        "terseLabel": "Entity File Number"
       }
      }
     },
     "localname": "EntityFileNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "fileNumberItemType"
    },
    "dei_EntityIncorporationStateCountryCode": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Two-character EDGAR code representing the state or country of incorporation.",
        "label": "Entity Incorporation State Country Code",
        "terseLabel": "Entity Incorporation, State or Country Code"
       }
      }
     },
     "localname": "EntityIncorporationStateCountryCode",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "edgarStateCountryItemType"
    },
    "dei_EntityRegistrantName": {
     "auth_ref": [
      "r5"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.",
        "label": "Entity Registrant Name",
        "terseLabel": "Entity Registrant Name"
       }
      }
     },
     "localname": "EntityRegistrantName",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityTaxIdentificationNumber": {
     "auth_ref": [
      "r5"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.",
        "label": "Entity Tax Identification Number",
        "terseLabel": "Entity Tax Identification Number"
       }
      }
     },
     "localname": "EntityTaxIdentificationNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "employerIdItemType"
    },
    "dei_LocalPhoneNumber": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Local phone number for entity.",
        "label": "Local Phone Number",
        "terseLabel": "Local Phone Number"
       }
      }
     },
     "localname": "LocalPhoneNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_PreCommencementIssuerTenderOffer": {
     "auth_ref": [
      "r2"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.",
        "label": "Pre Commencement Issuer Tender Offer",
        "terseLabel": "Pre-commencement Issuer Tender Offer"
       }
      }
     },
     "localname": "PreCommencementIssuerTenderOffer",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_PreCommencementTenderOffer": {
     "auth_ref": [
      "r3"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.",
        "label": "Pre Commencement Tender Offer",
        "terseLabel": "Pre-commencement Tender Offer"
       }
      }
     },
     "localname": "PreCommencementTenderOffer",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_Security12bTitle": {
     "auth_ref": [
      "r0"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Title of a 12(b) registered security.",
        "label": "Security12b Title",
        "terseLabel": "Title of (12b) Security"
       }
      }
     },
     "localname": "Security12bTitle",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "securityTitleItemType"
    },
    "dei_SecurityExchangeName": {
     "auth_ref": [
      "r1"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Name of the Exchange on which a security is registered.",
        "label": "Security Exchange Name",
        "terseLabel": "Security Exchange Name"
       }
      }
     },
     "localname": "SecurityExchangeName",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "edgarExchangeCodeItemType"
    },
    "dei_SolicitingMaterial": {
     "auth_ref": [
      "r4"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.",
        "label": "Soliciting Material",
        "terseLabel": "Soliciting Material"
       }
      }
     },
     "localname": "SolicitingMaterial",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_TradingSymbol": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Trading symbol of an instrument as listed on an exchange.",
        "label": "Trading Symbol",
        "terseLabel": "Trading Symbol"
       }
      }
     },
     "localname": "TradingSymbol",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "tradingSymbolItemType"
    },
    "dei_WrittenCommunications": {
     "auth_ref": [
      "r6"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.",
        "label": "Written Communications",
        "terseLabel": "Written Communications"
       }
      }
     },
     "localname": "WrittenCommunications",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    }
   },
   "unitCount": 0
  }
 },
 "std_ref": {
  "r0": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b"
  },
  "r1": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "d1-1"
  },
  "r2": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "13e",
   "Subsection": "4c"
  },
  "r3": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "14d",
   "Subsection": "2b"
  },
  "r4": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "14a",
   "Subsection": "12"
  },
  "r5": {
   "Name": "Regulation 12B",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r6": {
   "Name": "Securities Act",
   "Number": "230",
   "Publisher": "SEC",
   "Section": "425"
  }
 },
 "version": "2.1"
}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>7
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
/* Updated 2009-11-04 */
/* v2.2.0.24 */

/* DefRef Styles */
..report table.authRefData{
	background-color: #def;
	border: 2px solid #2F4497;
	font-size: 1em;
	position: absolute;
}

..report table.authRefData a {
	display: block;
	font-weight: bold;
}

..report table.authRefData p {
	margin-top: 0px;
}

..report table.authRefData .hide {
	background-color: #2F4497;
	padding: 1px 3px 0px 0px;
	text-align: right;
}

..report table.authRefData .hide a:hover {
	background-color: #2F4497;
}

..report table.authRefData .body {
	height: 150px;
	overflow: auto;
	width: 400px;
}

..report table.authRefData table{
	font-size: 1em;
}

/* Report Styles */
..pl a, .pl a:visited {
	color: black;
	text-decoration: none;
}

/* table */
..report {
	background-color: white;
	border: 2px solid #acf;
	clear: both;
	color: black;
	font: normal 8pt Helvetica, Arial, san-serif;
	margin-bottom: 2em;
}

..report hr {
	border: 1px solid #acf;
}

/* Top labels */
..report th {
	background-color: #acf;
	color: black;
	font-weight: bold;
	text-align: center;
}

..report th.void	{
	background-color: transparent;
	color: #000000;
	font: bold 10pt Helvetica, Arial, san-serif;
	text-align: left;
}

..report .pl {
	text-align: left;
	vertical-align: top;
	white-space: normal;
	width: 200px;
	white-space: normal; /* word-wrap: break-word; */
}

..report td.pl a.a {
	cursor: pointer;
	display: block;
	width: 200px;
	overflow: hidden;
}

..report td.pl div.a {
	width: 200px;
}

..report td.pl a:hover {
	background-color: #ffc;
}

/* Header rows... */
..report tr.rh {
	background-color: #acf;
	color: black;
	font-weight: bold;
}

/* Calendars... */
..report .rc {
	background-color: #f0f0f0;
}

/* Even rows... */
..report .re, .report .reu {
	background-color: #def;
}

..report .reu td {
	border-bottom: 1px solid black;
}

/* Odd rows... */
..report .ro, .report .rou {
	background-color: white;
}

..report .rou td {
	border-bottom: 1px solid black;
}

..report .rou table td, .report .reu table td {
	border-bottom: 0px solid black;
}

/* styles for footnote marker */
..report .fn {
	white-space: nowrap;
}

/* styles for numeric types */
..report .num, .report .nump {
	text-align: right;
	white-space: nowrap;
}

..report .nump {
	padding-left: 2em;
}

..report .nump {
	padding: 0px 0.4em 0px 2em;
}

/* styles for text types */
..report .text {
	text-align: left;
	white-space: normal;
}

..report .text .big {
	margin-bottom: 1em;
	width: 17em;
}

..report .text .more {
	display: none;
}

..report .text .note {
	font-style: italic;
	font-weight: bold;
}

..report .text .small {
	width: 10em;
}

..report sup {
	font-style: italic;
}

..report .outerFootnotes {
	font-size: 1em;
}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>8
<FILENAME>mlm-8k_20200514_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<XML>
<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2019-01-31"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="mlm-20200514.xsd" xlink:type="simple"/>
    <context id="C_0000916076_20200514_20200514">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000916076</identifier>
        </entity>
        <period>
            <startDate>2020-05-14</startDate>
            <endDate>2020-05-14</endDate>
        </period>
    </context>
    <dei:AmendmentFlag contextRef="C_0000916076_20200514_20200514" id="F_000001">false</dei:AmendmentFlag>
    <dei:EntityCentralIndexKey contextRef="C_0000916076_20200514_20200514" id="F_000018">0000916076</dei:EntityCentralIndexKey>
    <dei:DocumentType contextRef="C_0000916076_20200514_20200514" id="F_000000">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate contextRef="C_0000916076_20200514_20200514" id="F_000002">2020-05-14</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName contextRef="C_0000916076_20200514_20200514" id="F_000003">Martin Marietta Materials, Inc.</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode contextRef="C_0000916076_20200514_20200514" id="F_000004">NC</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber contextRef="C_0000916076_20200514_20200514" id="F_000005">1-12744</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber contextRef="C_0000916076_20200514_20200514" id="F_000006">56-1848578</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1 contextRef="C_0000916076_20200514_20200514" id="F_000007">2710 Wycliff Road</dei:EntityAddressAddressLine1>
    <dei:EntityAddressCityOrTown contextRef="C_0000916076_20200514_20200514" id="F_000008">Raleigh</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince contextRef="C_0000916076_20200514_20200514" id="F_000009">NC</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode contextRef="C_0000916076_20200514_20200514" id="F_000010">27607</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode contextRef="C_0000916076_20200514_20200514" id="F_000011">919</dei:CityAreaCode>
    <dei:LocalPhoneNumber contextRef="C_0000916076_20200514_20200514" id="F_000012">781-4550</dei:LocalPhoneNumber>
    <dei:WrittenCommunications contextRef="C_0000916076_20200514_20200514" id="F_000013">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial contextRef="C_0000916076_20200514_20200514" id="F_000014">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer contextRef="C_0000916076_20200514_20200514" id="F_000015">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer contextRef="C_0000916076_20200514_20200514" id="F_000016">false</dei:PreCommencementIssuerTenderOffer>
    <dei:EntityEmergingGrowthCompany contextRef="C_0000916076_20200514_20200514" id="F_000017">false</dei:EntityEmergingGrowthCompany>
    <dei:Security12bTitle contextRef="C_0000916076_20200514_20200514" id="F_000019">Common Stock, $.01 par value per share</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="C_0000916076_20200514_20200514" id="F_000020">MLM</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="C_0000916076_20200514_20200514" id="F_000021">NYSE</dei:SecurityExchangeName>
</xbrl>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>9
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
begin 644 Financial_Report.xlsx
M4$L#!!0    ( $%>KU ?(\\#P    !,"   +    7W)E;',O+G)E;'.MDD^+
MPD ,Q;]*F?L:5\'#8CUYZ6U9_ )Q)OU#.Y,A$[%^>X>];+=44/ 87O+>CT?V
M/S2@=AQ2V\54C'X(J32M:OP"2+8ECVG%D4)6:A:/FD=I(*+ML2'8K-<[D*F'
M.>RGGD7E2B.5^S3%":4A+<TXP)6E/S/WJVR;A5ND9T*YKCM+1[873T$7LF<;
M!I99-G\LCNVW<+ZT+/0:S>,*P).B0\5?UX^8 TBTH_0(:+L A#&^NQT:E8(C
M-R."?S]PN -02P,$%     @ 05ZO4"?HAPZ"    L0   !    !D;V-0<F]P
M<R]A<' N>&UL38Y-"\(P$$3_2NG=;BGH06) L$?!D_>0;FP@R8;-"OGYIH(?
MMWF\81AU8\K(XK%T-8943OTJDH\ Q:X831F:3LTXXFBD(3^ G/,6+V2?$9/
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MN?[PNPJ[SMB]_<?&%T'9P*^[D%]02P,$%     @ 05ZO4)E<G",0!@  G"<
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M.AQG0GS/]O:1I24RS^_Y"NM./&<?5I:P7<_/Y)Z,<B.[W?98??9/1VXCUZG
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M'3B&A_F.ITPF>/8"6?Y8S_^=>73/3]\!4$L#!!0    ( $%>KU"ZH3F*UP$
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M 0  5P0  !,   !;0V]N=&5N=%]4>7!E<UTN>&ULM51-3\,P#/TK4Z]HS>#
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M_\GR"U!+ 0(4 Q0    ( $%>KU ?(\\#P    !,"   +              "
M 0    !?<F5L<R\N<F5L<U!+ 0(4 Q0    ( $%>KU GZ(<.@@   +$    0
M              "  >D   !D;V-0<F]P<R]A<' N>&UL4$L! A0#%     @
M05ZO4$.V&]3O    *P(  !$              ( !F0$  &1O8U!R;W!S+V-O
M<F4N>&UL4$L! A0#%     @ 05ZO4)E<G",0!@  G"<  !,
M ( !MP(  'AL+W1H96UE+W1H96UE,2YX;6Q02P$"% ,4    " !!7J]0?O'&
MI*("  "3"P  &               @ 'X"   >&PO=V]R:W-H965T<R]S:&5E
M=#$N>&UL4$L! A0#%     @ 05ZO4-$ZI0E3 @  [04  !0
M ( !T L  'AL+W-H87)E9%-T<FEN9W,N>&UL4$L! A0#%     @ 05ZO4+JA
M.8K7 0  ,@8   T              ( !50X  'AL+W-T>6QE<RYX;6Q02P$"
M% ,4    " !!7J]0%FTC?T,!   \ @  #P              @ %7$   >&PO
M=V]R:V)O;VLN>&UL4$L! A0#%     @ 05ZO4/_ )@B]    A0(  !H
M         ( !QQ$  'AL+U]R96QS+W=O<FMB;V]K+GAM;"YR96QS4$L! A0#
M%     @ 05ZO4 N/V ,A 0  5P0  !,              ( !O!(  %M#;VYT
D96YT7U1Y<&5S72YX;6Q02P4&      H "@"  @  #A0

end
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>10
<FILENAME>0001564590-20-025713-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
begin 644 0001564590-20-025713-xbrl.zip
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M&384:/D(601R=:"FKUW)=BZ\[K7>O62O_/UN6YS4NW)^E'\S;OX#4$L#!!0
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M#W,Y>[9L8?MH*HSC7<,Q(B+F$.*1H8FZ'V$LTTW&T9-Q.,<RCC<JM& U%_7
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M"0E*6?JQ "&C3\(P,^'C[QE;U?<I<ALXB5D.B,_"$ \%:>0?CM$]#>)^P[:
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M,BBC:ZU4QD?-A<W#PFKU<2J*.IQ])1RPB(IR 6&B63%;*U.K!6B99WW9:2'
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M2P$"% ,4    " !!7J]0$P1JD(@7   9/0$ $P              @ %:$0
I;6QM+3AK7S(P,C P-3$T+FAT;5!+!08     !  $  ,!   3*0     !

end
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>11
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<XML>
<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.20.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>1</ContextCount>
  <ElementCount>95</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>0</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>0</UnitCount>
  <MyReports>
    <Report instance="mlm-8k_20200514.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>100000 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://martinmarietta.com/20200514/taxonomy/role/DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="8-K" original="mlm-8k_20200514.htm">mlm-8k_20200514.htm</File>
    <File>mlm-20200514.xsd</File>
    <File>mlm-20200514_lab.xml</File>
    <File>mlm-20200514_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy>http://xbrl.sec.gov/dei/2019-01-31</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>false</HasCalculationLinkbase>
</FilingSummary>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>13
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
// Edgar(tm) Renderer was created by staff of the U.S. Securities and Exchange Commission.  Data and content created by government employees within the scope of their employment are not subject to domestic copyright protection. 17 U.S.C. 105.
var Show={};Show.LastAR=null,Show.showAR=function(a,r,w){if(Show.LastAR)Show.hideAR();var e=a;while(e&&e.nodeName!='TABLE')e=e.nextSibling;if(!e||e.nodeName!='TABLE'){var ref=((window)?w.document:document).getElementById(r);if(ref){e=ref.cloneNode(!0);
e.removeAttribute('id');a.parentNode.appendChild(e)}}
if(e)e.style.display='block';Show.LastAR=e};Show.hideAR=function(){Show.LastAR.style.display='none'};Show.toggleNext=function(a){var e=a;while(e.nodeName!='DIV')e=e.nextSibling;if(!e.style){}else if(!e.style.display){}else{var d,p_;if(e.style.display=='none'){d='block';p='-'}else{d='none';p='+'}
e.style.display=d;if(a.textContent){a.textContent=p+a.textContent.substring(1)}else{a.innerText=p+a.innerText.substring(1)}}}
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
