FAIR VALUE MEASUREMENTS (Detail) - USD ($) $ in Thousands	Jul. 31, 2021	Jul. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Deferred compensation plan mutual fund assets	$ 84,588	$ 61,290
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	204	227,154
Deferred compensation plan mutual fund assets	51,085	47,327
Deferred compensation plan liabilities	84,588	61,290
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency forward contract liability	88	0
Interest rate swap liabilities	$ 13,369	$ 26,664