Income Taxes - Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2021
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning balance	$ 55,754	$ 47,061	$ 36,123
Increases related to current year tax positions	10,006	14,809	13,122
Prior year tax positions:
Increases recognized during the period	1,388	1,393	8,782
Decreases recognized during the period	(7,623)	(2,163)	(5,749)
Cash settlements during the period	(403)	(3,524)	(3,261)
Lapse of statute of limitations	(1,677)	(1,822)	(1,956)
Ending balance	$ 57,445	$ 55,754	$ 47,061