Organization, Basis of Presentation, and Summary of Significant Accounting Policies - Components of Inventories (Details) - USD ($) $ in Thousands	May 30, 2021	May 31, 2020
Accounting Policies [Abstract]
Finished goods	$ 39,493	$ 35,177
Raw materials	23,942	25,856
Work in progress	6,228	5,278
Total inventories	$ 69,663	$ 66,311

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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