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Business Segment, Geographic Area, Product and Significant Customer Information - Schedule of Net Revenue and Long-Lived Assets by Geographic Regions (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net revenues $ 206,353 $ 141,645  
Long-lived assets 77,173   79,659
United States [Member]
      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net revenues 117,377 74,567  
Long-lived assets 58,176   60,700
Korea [Member]
      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net revenues 27,591 13,477  
Japan [Member]
      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net revenues 16,928 13,829  
Europe [Member]
      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net revenues 19,555 18,803  
Long-lived assets 6,222   5,484
Asia (excluding Korea and Japan in 2013 and Japan in 2014) [Member]
      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net revenues 24,902 20,969  
Long-lived assets $ 12,775   $ 13,475