v3.19.3
Cover Page
Oct. 29, 2019
Cover page.  
Document Type 8-K
Amendment Flag false
Document Period End Date Oct. 29, 2019
Document Fiscal Year Focus 2020
Document Period End Date Q2
Entity Registrant Name COMMVAULT SYSTEMS, INC.
Entity Central Index Key 0001169561
Entity Emerging Growth Company false
Entity File Number 1-33026
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 22-3447504
Entity Address, Address Line One 1 Commvault Way
Entity Address, City or Town Tinton Falls
Entity Address, State or Province NJ
Entity Address, Postal Zip Code 07724
City Area Code 732
Local Phone Number 870-4000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false