Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation (Details)

v3.20.2
Share-Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Sep. 26, 2020
Sep. 28, 2019
Sep. 26, 2020
Sep. 28, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of Shares Available for Grant (in Shares) 4,900,000   4,900,000  
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 0 300,000 400,000
Share-Based Compensation Expense $ 3.0 $ 3.5 $ 9.4 $ 7.2
Unrecognized Compensation Cost 13.9   $ 13.9  
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]        
Share-Based Compensation Expense 7.8 $ 1.7 $ 10.2 $ 5.0
Unrecognized Compensation Cost $ 6.4   $ 6.4  
Unrecognized Compensation Cost, Period for Recognition     1 year  
Certain Senior Executives [Member] | Performance Shares [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) $ 64.72 $ 49.64 $ 64.72 $ 49.64
Risk-Free Interest Rate     1.40% 2.90%
Dividend Yield     1.50% 1.70%
Volatility Factor     46.60% 41.00%
Expected Life of Award     2 years 10 months 24 days 2 years 10 months 24 days
Certain Officers and Certain Senior Managers [Member] | Performance Shares [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of Performance Shares Granted (in Shares)     26,750 24,605
Weighted Average Price at Grant Date (in Dollars per Share) $ 61.91 $ 47.61 $ 61.91 $ 47.61