Balance Sheet Items (Schedule Of Inventories) (Details) - USD ($) $ in Thousands	Jun. 27, 2015	Dec. 27, 2014
Balance Sheet Items [Abstract]
Work-in-progress	$ 16,824	$ 17,438
Finished goods	19,341	20,511
Inventory, net	36,165	37,949
Inventory reserves	$ 7,900	$ 7,800

No definition available.

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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 of valuation reserve for inventory.

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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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