    <SEC-DOCUMENT>0000832101-18-000043-index.html : 20181024
    <SEC-HEADER>0000832101-18-000043.hdr.sgml : 20181024
    <ACCEPTANCE-DATETIME>20181024091736
    ACCESSION NUMBER:		0000832101-18-000043
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		4
    CONFORMED PERIOD OF REPORT:	20181023
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20181024
    DATE AS OF CHANGE:		20181024

    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:		181135398

    	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>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>iex-20181023x8k.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: iex-20181023x8k.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>iex-20181023xex991.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: iex-20181023xex991.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>q318slides.pdf
    <DESCRIPTION>EXHIBIT 99.2
    <TEXT>
    Document 3 - file: q318slides.pdf

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>idexlogowtaglinejul22.jpg
    <TEXT>
    Document 4 - file: idexlogowtaglinejul22.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>