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Inventories (Inventory Schedule) (Details) - USD ($) $ in Thousands | May 26, 2018 | Aug. 26, 2017
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Inventory Disclosure [Abstract] |  |
Finished goods | $ 34,954 | $ 16,947
Work-in-process | 60,206 | 60,818
Raw materials | 118,875 | 99,919
Total | 214,035 | 177,684
LIFO reserve | (36,657) | (35,419)
Total inventories | $ 177,378 | $ 142,265

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