Inventories, net (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Inventory [Line Items]
Raw materials	$ 89,516	$ 84,636
Work-in-process	38,889	47,440
Finished goods	249,882	222,974
Inventories, gross	378,287	355,050
Less: Inventory reserve	(29,679)	(31,703)
Inventories, net	$ 348,608	$ 323,347

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

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