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Income Taxes - Schedule of Deferred Income Tax Balances (Detail) - USD ($) $ in Thousands | Jul. 31, 2019 | Jul. 31, 2018
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Schedule Of Deferred Income Tax Assets And Liabilities [Line Items] |  |
Inventory basis | $ 807 | $ 922
Employee benefits | 5,272 | 3,427
Self-insurance reserves | 5,185 | 6,368
Accrued product warranties | 62,563 | 62,332
Accrued incentives | 6,144 | 5,235
Sales returns and allowances | 1,516 | 1,741
Accrued expenses | 3,617 | 1,905
Property, plant and equipment | (22,699) | (9,060)
Deferred compensation | 15,247 | 12,864
Intangibles | (143,861) | (9,151)
Net operating loss and other carryforwards | 15,725 |
Unrealized gain/loss | (4,546) |
Unrecognized tax benefits | 2,689 | 2,581
Other | 2,759 | (720)
Valuation allowance | (12,945) |
Deferred income tax (liability), net | $ (62,527) |
Deferred income tax asset, net |  | $ 78,444

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