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Inventories (Tables) | 3 Months Ended
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Nov. 30, 2021
Inventory Disclosure [Abstract] |
Schedule of Inventories | Inventories consisted of the following as of November 30, 2021, November 30, 2020, and August 31, 2021:
($ in thousands) |  | November 30, 2021 |  | November 30, 2020 |  | August 31, 2021
Raw materials and supplies |  | $78,102 |  | $52,374 |  | $69,962
Work in process |  | 12,227 |  | 8,041 |  | 8,301
Finished goods and purchased parts, net |  | 90,676 |  | 58,284 |  | 75,053
Total inventory value before LIFO adjustment |  | 181,005 |  | 118,699 |  | 153,316
Less adjustment to LIFO value |  | (7,890) |  | (4,421) |  | (8,072)
Inventories, net |  | $173,115 |  | $114,278 |  | $145,244

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