Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation (Details)

v3.10.0.1
Share-Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Sep. 29, 2018
Sep. 30, 2017
Sep. 29, 2018
Sep. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of Shares Available for Grant (in Shares) 5,200,000   5,200,000  
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]        
Number of Performance Shares Granted (in Shares) 0 0 300,000 200,000
Share-Based Compensation Expense $ 4.0 $ 2.9 $ 9.9 $ 8.5
Unrecognized Compensation Cost 16.5   $ 16.5  
Unrecognized Compensation Cost, Period for Recognition     1 year 3 months 18 days  
Performance Shares [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-Based Compensation Expense 2.1 $ 2.8 $ 3.3 $ 5.9
Unrecognized Compensation Cost $ 5.1   $ 5.1  
Unrecognized Compensation Cost, Period for Recognition     1 year  
Performance Shares [Member] | Certain Senior Executives [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of Performance Shares Granted (in Shares)     100,000 100,000
Weighted Average Price at Grant Date (in Dollars per Share) $ 61.59 $ 64.82 $ 61.59 $ 64.82
Risk-Free Interest Rate     2.40% 1.50%
Dividend Yield     1.30% 1.10%
Volatility Factor     38.90% 38.30%
Expected Life of Award     2 years 10 months 24 days 2 years 10 months 24 days
Performance Shares [Member] | Certain Officers and Certain Senior Managers [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of Performance Shares Granted (in Shares)     24,490 26,300
Weighted Average Price at Grant Date (in Dollars per Share) $ 57.19 $ 58.77 $ 57.19 $ 58.77