Segments and Geographic Information - Summary of Sales by Geographic Region, Based on Destination of Product Shipments (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]    
Net sales $ 825,400 $ 935,036
United States [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Net sales 383,100 562,900
Europe, Middle East and Africa [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Net sales 158,900 169,600
Asia Pacific [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Net sales 189,900 128,900
Central and Latin America [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Net sales 66,700 58,400
Canada [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Net sales $ 26,800 $ 15,200