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Summary of Company's Stock Based Compensation 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
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Total stock based compensation $ 4,991 $ 3,614 $ 10,474 $ 9,690
Stock Option
       
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Total stock based compensation   380 197 1,017
Performance Contingent Restricted Stock
       
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Total stock based compensation 4,430 2,453 9,187 6,247
Deferred and restricted stock
       
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Total stock based compensation 519 422 1,181 876
Stock Appreciation Rights
       
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Total stock based compensation $ 42 $ 359 $ (91) $ 1,550