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Stockholder's Equity (Dividend) (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Jun. 11, 2019
May 21, 2019
May 02, 2019
Mar. 29, 2019
Dec. 28, 2018
Mar. 30, 2018
Mar. 29, 2019
Mar. 30, 2018
Dividends Payable [Line Items]                
Cash dividends declared and paid per share (usd per share)       $ 0.38 $ 0.38 $ 0.32 $ 0.76 $ 0.64
Payments of ordinary dividends       $ 66.0 $ 67.1   $ 133.1  
Subsequent Event [Member] | Dividend Declared [Member]                
Dividends Payable [Line Items]                
Dividend declaration date     May 02, 2019          
Dividends declared (usd per share)     $ 0.38          
dividends date to be paid Jun. 11, 2019              
Dividends date of record   May 21, 2019