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Net Amortization Expense (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jan. 03, 2015
Dec. 28, 2013
Dec. 29, 2012
Finite Lived Intangible Assets Amortization Expense [Line Items]      
Net amortization expense, Total $ 11,741us-gaap_AmortizationOfIntangibleAssets $ 11,741us-gaap_AmortizationOfIntangibleAssets $ 9,253us-gaap_AmortizationOfIntangibleAssets