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Summary of Company's Stock Based Compensation 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
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Total stock based compensation $ 3,008 $ 2,118 $ 12,698 $ 7,012
Stock Option
        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Total stock based compensation 380 694 1,397 2,680
Performance Contingent Restricted Stock
        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Total stock based compensation 2,463 1,509 8,710 3,094
Restricted And Deferred Stock
        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Total stock based compensation 446 325 1,323 1,060
Stock Appreciation Rights
        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Total stock based compensation $ (281) $ (410) $ 1,268 $ 178