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Aggregate Amortization Expense (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Oct. 05, 2013
Oct. 06, 2012
Oct. 05, 2013
Oct. 06, 2012
Finite Lived Intangible Assets Amortization Expense [Line Items]        
Amortization Expense $ 2,772 $ 2,504 $ 9,059 $ 6,749