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<ACCEPTANCE-DATETIME>20200110073652
ACCESSION NUMBER:		0001101302-20-000003
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		16
CONFORMED PERIOD OF REPORT:	20200110
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20200110
DATE AS OF CHANGE:		20200110

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ENTEGRIS INC
		CENTRAL INDEX KEY:			0001101302
		STANDARD INDUSTRIAL CLASSIFICATION:	PLASTICS PRODUCTS, NEC [3089]
		IRS NUMBER:				411941551
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32598
		FILM NUMBER:		20519454

	BUSINESS ADDRESS:	
		STREET 1:		129 CONCORD ROAD
		CITY:			BILLERICA
		STATE:			MA
		ZIP:			01821
		BUSINESS PHONE:		9784366500

	MAIL ADDRESS:	
		STREET 1:		129 CONCORD ROAD
		CITY:			BILLERICA
		STATE:			MA
		ZIP:			01821
</SEC-HEADER>
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<TYPE>8-K
<SEQUENCE>1
<FILENAME>entgform8-kprojectsimba.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: entgform8-kprojectsimba.htm

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<DOCUMENT>
<TYPE>EX-99.1
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<FILENAME>pressreleaseannouncing.htm
<DESCRIPTION>EXHIBIT 99.1
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Document 2 - file: pressreleaseannouncing.htm

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<TYPE>EX-101.SCH
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<FILENAME>entg-20200110.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
<TEXT>
Document 3 - file: entg-20200110.xsd

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<DOCUMENT>
<TYPE>EX-101.CAL
<SEQUENCE>4
<FILENAME>entg-20200110_cal.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT
<TEXT>
Document 4 - file: entg-20200110_cal.xml

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<DOCUMENT>
<TYPE>EX-101.DEF
<SEQUENCE>5
<FILENAME>entg-20200110_def.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT
<TEXT>
Document 5 - file: entg-20200110_def.xml

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<TYPE>EX-101.LAB
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<FILENAME>entg-20200110_lab.xml
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<TEXT>
Document 6 - file: entg-20200110_lab.xml

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<SEQUENCE>7
<FILENAME>entg-20200110_pre.xml
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<TEXT>
Document 7 - file: entg-20200110_pre.xml

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<SEQUENCE>8
<FILENAME>entegrislogoa41.gif
<TEXT>
Document 8 - file: entegrislogoa41.gif

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<FILENAME>FilingSummary.xml
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Document 9 - file: FilingSummary.html

Document 9 - RAW XML: FilingSummary.xml

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<TEXT>
Document 10 - file: report.css

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<SEQUENCE>11
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<TEXT>
Document 11 - file: Show.js

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<SEQUENCE>12
<FILENAME>R1.htm
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<TEXT>
Document 12 - file: R1.htm

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<TYPE>JSON
<SEQUENCE>13
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 13 - file: MetaLinks.json

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<DOCUMENT>
<TYPE>XML
<SEQUENCE>14
<FILENAME>entgform8-kprojectsimba_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 14 - file: entgform8-kprojectsimba_htm.html

Document 14 - RAW XML: entgform8-kprojectsimba_htm.xml

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<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>15
<FILENAME>0001101302-20-000003-xbrl.zip
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<TEXT>
Document 15 - file: 0001101302-20-000003-xbrl.zip

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<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>16
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 16 - file: Financial_Report.xlsx

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