Inventories - Major Classes of Inventories (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 29, 2013	Dec. 31, 2012
Inventory Disclosure [Abstract]
Raw materials	$ 87,379	$ 92,072
Work-in-process	38,251	34,391
Finished goods	106,515	110,280
Perishable tooling and supplies	2,204	2,493
Gross inventories	234,349	239,236
Obsolescence and other reserves	(22,522)	(23,954)
Net inventories	$ 211,827	$ 215,282

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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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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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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 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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Amount before valuation and LIFO reserves of other supplies used within the manufacturing or production process expected to be consumed within one year or operating cycle, if longer.

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