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Inventory, Net (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Inventory Disclosure [Abstract]    
Raw materials $ 26,206 $ 26,379
Work in process 14,554 14,341
Finished goods 18,059 [1] 24,188 [1]
Inventories $ 58,819 $ 64,908
[1] Finished goods inventory at customer vendor managed inventory locations was $6.7 million and $5.4 million as of September 30, 2014 and December 31, 2013, respectively.