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Schedule of Major Classifications of Inventories (Detail) - USD ($) $ in Thousands | Jul. 31, 2019 | Jul. 31, 2018
--- | --- | ---
Inventory [Line Items] |  |
Work in process | $ 126,636 | $ 124,703
Raw materials | 300,721 | 258,429
Chassis | 155,099 | 116,308
Subtotal | 873,532 | 579,758
Excess of FIFO costs over LIFO costs | (45,544) | (41,849)
Total inventories, net | 827,988 | 537,909
Recreational vehicles |  |
Inventory [Line Items] |  |
Finished products | 230,483 | 44,998
Other |  |
Inventory [Line Items] |  |
Finished products | $ 60,593 | $ 35,320

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