Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jul. 31, 2022	Jul. 31, 2021
Deferred tax assets:
Net operating loss carryforward	$ 665,757	$ 573,944
Tax credit carryforward	184,376	164,984
Deferred revenue	170,243	168,417
Leases	38,843	40,011
Interest expense carryforward	32,692	15,492
Intangible assets	25,403	28,557
Accruals and reserves	23,045	21,727
Stock-based compensation	17,631	18,957
Property and equipment	4,115	3,385
Other assets	23,412	26,394
Total deferred tax assets	1,185,517	1,061,868
Deferred tax liabilities:
Deferred commission expense	(86,253)	(83,054)
Leases	(39,886)	(38,368)
Convertible notes	(38,925)	(246)
Prepaid expenses	(2,290)	(2,013)
Property and equipment	(1,271)	(3,681)
Acquisition-related	(1,224)	(4,633)
Other	(3,142)	(2,764)
Total deferred tax liabilities	(172,991)	(134,759)
Valuation allowance	(1,002,546)	(918,689)
Net deferred tax assets	$ 9,980	$ 8,420