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Aggregate Amortization Expense (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jul. 12, 2014
Jul. 13, 2013
Jul. 12, 2014
Jul. 13, 2013
Finite Lived Intangible Assets Amortization Expense [Line Items]        
Amortization Expense $ 2,716 $ 2,881 $ 6,336 $ 6,287