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Intangible Assets - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 29, 2013
Sep. 30, 2012
Sep. 29, 2013
Sep. 30, 2012
Goodwill and Intangible Assets Disclosure [Line Items]        
Aggregate intangible asset amortization expense $ 18,064 $ 18,429 $ 54,163 $ 55,287