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Revenue Recognition - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2023	Jan. 31, 2022	Jul. 31, 2022
Concentration Risk [Line Items]
Deferred revenue	$ 1,111.9		$ 1,111.9		$ 1,021.1
Contract with customer, liability, revenue recognized			603.8	$ 378.6
Revenue, remaining performance obligation	2,809.2		2,809.2
Accrued sales commissions	$ 23.5		$ 23.5		$ 47.2
Minimum
Concentration Risk [Line Items]
Contract with customer, term of contract			1 year
Maximum
Concentration Risk [Line Items]
Contract with customer, term of contract			3 years
Transferred over Time \| Product Concentration Risk \| Subscription and Support \| Revenue Benchmark
Concentration Risk [Line Items]
Concentration risk percentage	97.00%	97.00%	97.00%	97.00%