Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Additional Information (Detail)

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Intangible Assets - Additional Information (Detail) (USD $)
 3 Months Ended 9 Months Ended
Sep. 29, 2012
Sep. 29, 2012
Oct. 01, 2011
Schedule of Actual and Estimated Amortization Expense [Line Items]      
Intangible asset amortization expense $ 11,900,000 $ 36,130,000 $ 29,092,000
Estimated amortization expense, 2012 47,800,000 47,800,000  
Estimated amortization expense, 2013 46,300,000 46,300,000  
Estimated amortization expense, 2014 44,600,000 44,600,000  
Estimated amortization expense, 2015 42,800,000 42,800,000  
Estimated amortization expense, 2016 $ 41,100,000 $ 41,100,000