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Stock-Based Compensation (Details) - USD ($)
$ in Thousands, shares in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jul. 01, 2014
Jun. 30, 2015
Jul. 01, 2014
Apr. 02, 2015
Stock-based compensation          
Total stock-based compensation $ 4,946 $ 3,899 $ 9,677 $ 7,738  
Income tax benefit 1,892 1,491 3,701 2,960  
Total stock-based compensation, net of taxes 3,054 2,408 5,976 4,778  
Capitalized stock-based compensation 79 51 146 99  
Shares authorized for issuance under share-based compensation plan         9.2
Shares authorized for issuance under share-based compensation plan prior to amendment         6.8
Labor expenses          
Stock-based compensation          
Total stock-based compensation 1,556 1,196 3,102 2,536  
Other operating costs and expenses          
Stock-based compensation          
Total stock-based compensation 64 42 137 89  
General and administrative expenses          
Stock-based compensation          
Total stock-based compensation $ 3,326 $ 2,661 $ 6,438 $ 5,113