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Note 2 - Inventories (Details) - Inventories Summary (USD $) In Thousands, unless otherwise specified	Apr. 05, 2015	Dec. 28, 2014
Inventories Summary [Abstract]
Finished Goods	$ 104,239us-gaap_InventoryFinishedGoodsNetOfReserves	$ 89,688us-gaap_InventoryFinishedGoodsNetOfReserves
Work in Process	10,409us-gaap_InventoryWorkInProcessNetOfReserves	9,898us-gaap_InventoryWorkInProcessNetOfReserves
Raw Materials	44,016us-gaap_InventoryRawMaterialsNetOfReserves	42,581us-gaap_InventoryRawMaterialsNetOfReserves
	$ 158,664us-gaap_InventoryNet	$ 142,167us-gaap_InventoryNet

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 330

-SubTopic 10

-Section S99

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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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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

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Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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