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Stock-Based Compensation (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 28, 2016
Jun. 30, 2015
Jun. 28, 2016
Jun. 30, 2015
Stock-based compensation        
Total stock-based compensation $ 6,119 $ 4,946 $ 11,304 $ 9,677
Income tax benefit 2,340 1,892 4,324 3,701
Total stock-based compensation, net of taxes 3,779 3,054 6,980 5,976
Capitalized stock-based compensation 76 79 149 146
Labor expenses        
Stock-based compensation        
Total stock-based compensation 1,708 1,556 2,964 3,102
Other operating costs and expenses        
Stock-based compensation        
Total stock-based compensation 75 64 125 137
General and administrative expenses        
Stock-based compensation        
Total stock-based compensation $ 4,336 $ 3,326 $ 8,215 $ 6,438