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Intangible Assets - Additional Information (Detail) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Indefinite-lived Intangible Assets [Line Items]      
Goodwill impairment charges $ 0 $ 0 $ 0
Recognized amortization expenses 50,803,000 22,792,000 13,149,000
Estimated amortization expense in 2014 47,300,000    
Estimated amortization expense in 2015 46,400,000    
Estimated amortization expense in 2016 39,200,000    
Estimated amortization expense in 2017 27,400,000    
Estimated amortization expense in 2018 12,000,000    
All Other [Member]
      
Indefinite-lived Intangible Assets [Line Items]      
Gain (loss) on the sale of the consumer electronics assets 1,300,000 (29,800,000)  
Customer relationships [Member]
      
Indefinite-lived Intangible Assets [Line Items]      
Impairment charges   6,800,000  
Customer relationships [Member] | All Other [Member]
      
Indefinite-lived Intangible Assets [Line Items]      
Impairment charges   6,800,000  
Trademarks [Member]
      
Indefinite-lived Intangible Assets [Line Items]      
Impairment charges 0 5,239,000 0
Trademarks [Member] | All Other [Member]
      
Indefinite-lived Intangible Assets [Line Items]      
Impairment charges   $ 5,239,000