Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation (Details)

v3.5.0.2
Share-Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Jul. 02, 2016
Jul. 04, 2015
Jul. 02, 2016
Jul. 04, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares available for grant (in shares) 5,300,000   5,300,000  
Percentage of premium paid out in deferred company common stock     20.00%  
Non-Vested Stock Awards [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 0 0 300,000 200,000
Allocated share-based compensation expense $ 2.9 $ 3.4 $ 4.5 $ 7.0
Unrecognized compensation cost 12.3   $ 12.3  
Unrecognized compensation cost, period for recognition     1 year 4 months 24 days  
Performance Shares [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Allocated share-based compensation expense 1.8 $ 2.0 $ 3.0 $ 3.2
Unrecognized compensation cost $ 5.2   $ 5.2  
Unrecognized compensation cost, period for recognition     1 year 2 months 12 days  
Expected life of award     2 years 10 months 24 days 2 years 10 months 24 days
Performance Shares [Member] | Certain senior executives [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     100,000 100,000
Weighted average price at grant date (in dollars per share) $ 38.54 $ 56.17 $ 38.54 $ 56.17
Risk-free interest rate     0.80% 1.00%
Dividend yield     1.00% 0.90%
Volatility factor     40.80% 39.20%
Performance Shares [Member] | Certain officers and certain senior managers [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     38,690 22,990
Weighted average price at grant date (in dollars per share) $ 37.76 $ 52.39 $ 37.76 $ 52.39