Inventories (Details) - USD ($) $ in Thousands	Jul. 11, 2020	Dec. 28, 2019	Jul. 13, 2019
Inventories
Raw materials	$ 6,222	$ 3,186	$ 4,329
Work in progress	3,297	2,177	2,729
Finished goods	32,134	36,906	40,926
Inventories	$ 41,653	$ 42,269	$ 47,984

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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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