Inventories (Details) (USD $) In Thousands	Oct. 02, 2011	Dec. 31, 2010
Inventories [Abstract]
Raw materials	$ 75,896	$ 64,146
Work-in-process	45,734	42,193
Finished goods	92,849	87,982
Perishable tooling and supplies	3,192	3,615
Gross inventories	217,671	197,936
Obsolescence and other reserves	(20,571)	(22,277)
Net Inventories	$ 197,100	$ 175,659

The amount of the valuation account as of the balance sheet date which reduces the carrying amount of inventory to net realizable value; takes into consideration such factors as market value, excessive quantities based on expected sales, technological obsolescence, and shrinkage. May also provide for estimated product returns or price concessions pertaining to product cost.

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+ Details