v3.19.3
Cover
Oct. 25, 2019
Cover page.  
Document Type 8-K
Document Period End Date Oct. 25, 2019
Entity Registrant Name Cabot Microelectronics Corporation
Entity Incorporation, State or Country Code DE
Entity File Number 000-30205
Entity Tax Identification Number 36-4324765
Entity Central Index Key 0001102934
Amendment Flag false
Entity Address, Address Line One 870 North Commons Drive
Entity Address, City or Town Aurora
Entity Address, State or Province IL
Entity Address, Postal Zip Code 60504
City Area Code 630
Local Phone Number 375-6631
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.001 per share
Trading Symbol CCMP
Security Exchange Name NASDAQ
Entity Emerging Growth Company false