    <SEC-DOCUMENT>0000832101-18-000035-index.html : 20180725
    <SEC-HEADER>0000832101-18-000035.hdr.sgml : 20180725
    <ACCEPTANCE-DATETIME>20180725101303
    ACCESSION NUMBER:		0000832101-18-000035
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		13
    CONFORMED PERIOD OF REPORT:	20180724
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20180725
    DATE AS OF CHANGE:		20180725

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			IDEX CORP /DE/
    		CENTRAL INDEX KEY:			0000832101
    		STANDARD INDUSTRIAL CLASSIFICATION:	PUMPS & PUMPING EQUIPMENT [3561]
    		IRS NUMBER:				363555336
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-10235
    		FILM NUMBER:		18967894

    	BUSINESS ADDRESS:
    		STREET 1:		1925 WEST FIELD COURT
    		CITY:			LAKE FOREST
    		STATE:			IL
    		ZIP:			60045
    		BUSINESS PHONE:		8474987070

    	MAIL ADDRESS:
    		STREET 1:		1925 WEST FIELD COURT
    		CITY:			LAKE FOREST
    		STATE:			IL
    		ZIP:			60045
    </SEC-HEADER>
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    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>iex-20180724x8k.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: iex-20180724x8k.htm

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    <TYPE>EX-99.1
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    <FILENAME>iex-20180724xex991.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 2 - file: iex-20180724xex991.htm

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    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>q218slides.htm
    <DESCRIPTION>EX-99.2
    <TEXT>
    Document 3 - file: q218slides.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>idexlogowtaglinejul21.jpg
    <TEXT>
    Document 4 - file: idexlogowtaglinejul21.jpg

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    <SEQUENCE>5
    <FILENAME>q218slides001.jpg
    <TEXT>
    Document 5 - file: q218slides001.jpg

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    Document 6 - file: q218slides002.jpg

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    <SEQUENCE>7
    <FILENAME>q218slides003.jpg
    <TEXT>
    Document 7 - file: q218slides003.jpg

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    <SEQUENCE>8
    <FILENAME>q218slides004.jpg
    <TEXT>
    Document 8 - file: q218slides004.jpg

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    <SEQUENCE>9
    <FILENAME>q218slides005.jpg
    <TEXT>
    Document 9 - file: q218slides005.jpg

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    <SEQUENCE>10
    <FILENAME>q218slides006.jpg
    <TEXT>
    Document 10 - file: q218slides006.jpg

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    <SEQUENCE>11
    <FILENAME>q218slides007.jpg
    <TEXT>
    Document 11 - file: q218slides007.jpg

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    <SEQUENCE>12
    <FILENAME>q218slides008.jpg
    <TEXT>
    Document 12 - file: q218slides008.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>q218slides009.jpg
    <TEXT>
    Document 13 - file: q218slides009.jpg

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