Fair Value Measurements - Schedule of Fair Value, Assets Measured on Recurring Basis (Details) - USD ($) $ in Thousands	Apr. 30, 2022	Jul. 31, 2021
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan mutual fund assets	$ 40,880	$ 51,085
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency forward contract liability	381	88
Interest rate swap liabilities	$ 1,620	$ 13,369