XML 68 R48.htm IDEA: XBRL DOCUMENT v3.7.0.1
Stock-Based Compensation (Additional Information) (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Apr. 01, 2017
Mar. 26, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expense $ 7.7 $ 7.6
Related income tax benefits on share based compensation $ 2.6 $ 2.6
Restricted Awards [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Equity Instruments Other than Options, Grants in Period 730,081 976,815
Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 22.92 $ 16.50
Performance Awards [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Equity Instruments Other than Options, Grants in Period 488,918 973,219
Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 25.02 $ 16.51