Inventories, net (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Schedule of Inventory [Line Items]
Raw materials	$ 83,695	$ 84,636
Work-in-process	51,395	47,440
Finished goods	228,899	222,974
Inventories, gross	363,989	355,050
Less: Inventory reserve	(31,169)	(31,703)
Inventories, net	$ 332,820	$ 323,347

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Certain changes made in the current period to the value and amount of inventory reported.

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Amount before last-in first-out (LIFO) and valuation reserves of merchandise or goods held by the entity that are readily available for sale.

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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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Gross amount of unprocessed items to be consumed in the manufacturing or production process. Also includes purchased parts that will be used as components of a finished product.

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