Revenue, Deferred Revenue and Deferred Commissions - Deferred Revenue, by Arrangement, Disclosure (Details) $ in Thousands	3 Months Ended
	Oct. 31, 2021 USD ($)
Movement in Deferred Commissions [Roll Forward]
Deferred commissions, beginning balance	$ 343,420
Additions	60,187
Revenue/commissions recognized	(53,962)
Deferred commissions, ending balance	349,645
Deferred revenue, beginning balance	1,312,923
Additions	398,928
Revenue/commissions recognized	(378,517)
Deferred revenue, ending balance	$ 1,333,334