<SEC-DOCUMENT>0001102934-20-000031-index.html : 20200610
<SEC-HEADER>0001102934-20-000031.hdr.sgml : 20200610
<ACCEPTANCE-DATETIME>20200609180319
ACCESSION NUMBER:		0001102934-20-000031
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		15
CONFORMED PERIOD OF REPORT:	20200609
ITEM INFORMATION:		Other Events
FILED AS OF DATE:		20200610
DATE AS OF CHANGE:		20200609

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CABOT MICROELECTRONICS CORP
		CENTRAL INDEX KEY:			0001102934
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				364324765
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-30205
		FILM NUMBER:		20953003

	BUSINESS ADDRESS:	
		STREET 1:		870 NORTH COMMONS DRIVE
		CITY:			AURORA
		STATE:			IL
		ZIP:			60504
		BUSINESS PHONE:		6303755461

	MAIL ADDRESS:	
		STREET 1:		870 N COMMONS DR
		CITY:			AURORA
		STATE:			IL
		ZIP:			60504
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>ccmp-20200609.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: ccmp-20200609.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>2 <FILENAME>ccmp-20200609xex991.htm <DESCRIPTION>EX-99.1 <TEXT> Document 2 - file: ccmp-20200609xex991.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.SCH <SEQUENCE>3 <FILENAME>ccmp-20200609.xsd <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT <TEXT> Document 3 - file: ccmp-20200609.xsd
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.CAL <SEQUENCE>4 <FILENAME>ccmp-20200609_cal.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT <TEXT> Document 4 - file: ccmp-20200609_cal.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.DEF <SEQUENCE>5 <FILENAME>ccmp-20200609_def.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT <TEXT> Document 5 - file: ccmp-20200609_def.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.LAB <SEQUENCE>6 <FILENAME>ccmp-20200609_lab.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT <TEXT> Document 6 - file: ccmp-20200609_lab.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.PRE <SEQUENCE>7 <FILENAME>ccmp-20200609_pre.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT <TEXT> Document 7 - file: ccmp-20200609_pre.xml
</DOCUMENT> <DOCUMENT> <TYPE>JSON <SEQUENCE>9 <FILENAME>MetaLinks.json <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 9 - file: MetaLinks.json
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>10 <FILENAME>report.css <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 10 - file: report.css
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>11 <FILENAME>R1.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 11 - file: R1.htm
</DOCUMENT> <DOCUMENT> <TYPE>ZIP <SEQUENCE>12 <FILENAME>0001102934-20-000031-xbrl.zip <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 12 - file: 0001102934-20-000031-xbrl.zip
</DOCUMENT> <DOCUMENT> <TYPE>EXCEL <SEQUENCE>13 <FILENAME>Financial_Report.xlsx <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 13 - file: Financial_Report.xlsx
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>14 <FILENAME>FilingSummary.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 14 - file: FilingSummary.html
Document 14 - RAW XML: FilingSummary.xml
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>15 <FILENAME>ccmp-20200609_htm.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 15 - file: ccmp-20200609_htm.html
Document 15 - RAW XML: ccmp-20200609_htm.xml
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>16 <FILENAME>Show.js <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 16 - file: Show.js
</DOCUMENT> </SEC-DOCUMENT>