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Goodwill and Intangible Assets - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 05, 2015
Jun. 29, 2014
Jul. 05, 2015
Jun. 29, 2014
Goodwill and Intangible Assets Disclosure [Line Items]        
Acquired intangible assets amortization $ 15,258 $ 18,271 $ 29,066 $ 36,542