Fair Value Measurements - Schedule of Fair Value, Assets Measured on Recurring Basis (Detail) - USD ($) $ in Thousands	Jan. 31, 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	$ 56,122	$ 51,085
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency forward contract liability	943	88
Interest rate swap liabilities	$ 6,417	$ 13,369