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INVENTORIES (Details) (USD $)	3 Months Ended
INVENTORIES (Details) (USD $)	Apr. 01, 2012	Jan. 01, 2012
Details of inventory
Raw materials	$ 113,200,000	$ 107,900,000
Subassemblies-in-process	6,200,000	6,700,000
Finished goods	39,100,000	45,900,000
Inventories	158,452,000	160,515,000
Amount of excess and obsolete inventory written off	$ 1,500,000

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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- Definition

Charge to cost of goods sold that represents the reduction of the carrying amount of inventory, generally attributable to obsolescence or market conditions.

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