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Stockholders' Equity (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Jul. 05, 2020
Apr. 05, 2020
Dec. 29, 2019
Sep. 29, 2019
Jun. 30, 2019
Mar. 31, 2019
Jul. 23, 2018
Schedule of Shareholders' Equity [Line Items]              
Stock Repurchase Program, Remaining Authorized Repurchase Amount   $ 197.8          
Repurchased Common Shares For Activity Pursuant to Equity Incentive Plans   66,360          
Aggregate Cost of Repurchased Common Shares for Activity Pursuant to Equity Incentive Plans   $ 6.3          
Cash dividends (per share)   $ 0.07 $ 0.07 $ 0.07 $ 0.07 $ 0.07  
Dividends Payable, Amount   $ 7.8          
Dividends Payable, Date Declared   Jan. 23, 2020          
Repurchase Program, 07/23/2018 [Member]              
Schedule of Shareholders' Equity [Line Items]              
Stock Repurchase Program, Authorized Amount             $ 250.0
Subsequent Event [Member]              
Schedule of Shareholders' Equity [Line Items]              
Cash dividends (per share) $ 0.07            
Dividends Payable, Date Declared Apr. 30, 2020