Inventories - Major Classes of Inventories (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Inventory Disclosure [Abstract]
Raw materials	$ 105,134us-gaap_InventoryRawMaterials	$ 85,379us-gaap_InventoryRawMaterials
Work-in-process	31,611us-gaap_InventoryWorkInProcess	34,671us-gaap_InventoryWorkInProcess
Finished goods	121,655us-gaap_InventoryFinishedGoods	107,091us-gaap_InventoryFinishedGoods
Perishable tooling and supplies	1,821us-gaap_OtherInventorySupplies	2,156us-gaap_OtherInventorySupplies
Gross inventories	260,221us-gaap_InventoryGross	229,297us-gaap_InventoryGross
Excess and obsolete reserves	(31,823)us-gaap_InventoryValuationReserves	(21,317)us-gaap_InventoryValuationReserves
Net inventories	$ 228,398us-gaap_InventoryNet	$ 207,980us-gaap_InventoryNet

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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.

+ References

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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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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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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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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