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Stockholders' Equity, Capital Stock and Cash Dividends (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 27, 2020
Jun. 28, 2020
Mar. 29, 2020
Dec. 31, 2019
Sep. 29, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Jan. 31, 2021
Capital Stock [Abstract]                        
Common stock, shares authorized (in shares) 100,000,000       100,000,000       100,000,000 100,000,000    
Common stock, par value (in dollars per share) $ 0.10       $ 0.10       $ 0.10 $ 0.10    
Common stock, shares outstanding (in shares) 33,882,187       34,544,307       33,882,187 34,544,307    
Preferred stock, shares authorized (in shares) 1,000,000       1,000,000       1,000,000 1,000,000    
Preferred stock, shares issued (in shares) 0       0       0 0    
Preferred stock, shares outstanding (in shares) 0       0       0 0    
Cash Dividends [Abstract]                        
Cash dividends paid                 $ 6.8 $ 7.0 $ 7.1  
Cash dividends paid (in dollars per share) $ 0.05 $ 0.05 $ 0.05 $ 0.05 $ 0.05 $ 0.05 $ 0.05 $ 0.05 $ 0.20      
Subsequent Event [Member] | Dividend Declared 2021 Q1 [Member]                        
Cash Dividends [Abstract]                        
Cash dividend declared                       $ 1.7
Cash dividend declared (in dollars per share)                       $ 0.05