Revenue, Deferred Revenue and Deferred Commissions - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2021	Oct. 31, 2020
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenue	$ 378,517	$ 312,754
Movement in Deferred Revenue [Roll Forward]
Deferred revenue, beginning balance	1,312,923
Additions	398,928
Revenue/commissions recognized	(378,517)
Deferred revenue, ending balance	1,333,334
Amount deferred in prior period	183,300	142,700
Contracted revenue not recognized	$ 1,400,000
Percent expected to be recognized in next year	51.00%
Ratable
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenue	$ 183,100	147,800
Upfront
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total revenue	$ 154,800	$ 130,400
Minimum
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Software, license term	1 year
Maximum
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Software, license term	5 years