Note 4 - Inventories (Details) - Components of Inventories (USD $) In Thousands, unless otherwise specified	Jun. 29, 2013	Dec. 29, 2012
Components of Inventories [Abstract]
Raw material	$ 26,671	$ 21,689
Work in process	15,028	11,868
Finished goods	41,771	42,023
Total inventories	$ 83,470	$ 75,580

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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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