PROPERTY AND EQUIPMENT - At Cost (Detail) - USD ($) $ in Thousands	Jul. 31, 2021	Jul. 31, 2020
Property, Plant and Equipment [Line Items]
Land	$ 942	$ 942
Leasehold improvements	24,941	24,659
Software	54,606	53,715
Other	5,127	6,083
Property plant and equipment, gross	210,127	211,861
Less: accumulated depreciation and amortization	(151,265)	(132,183)
Property and equipment, net	58,862	79,678
Machinery and equipment
Property, Plant and Equipment [Line Items]
Machinery and equipment	110,545	112,407
Computer hardware
Property, Plant and Equipment [Line Items]
Property plant and equipment, gross	$ 13,966	$ 14,055

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software.

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Amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement.

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