Inventories (Details) - USD ($) $ in Thousands	Oct. 06, 2018	Dec. 30, 2017	Oct. 07, 2017
Inventory [Line Items]
Raw materials	$ 3,760	$ 3,462	$ 4,049
Work in progress	3,051	2,927	3,660
Finished goods	38,849	28,771	34,683
Inventories	$ 45,660	$ 35,160	$ 42,392

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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