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Stockholders' Equity Dividend (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Jul. 20, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 30, 2016
Jul. 01, 2016
Jun. 30, 2017
Jul. 01, 2016
Dividends Payable [Line Items]              
Cash dividends declared and paid per share (usd per share)   $ 0.28 $ 0.28 $ 0.28 $ 0.26 $ 0.84 $ 0.78
Payments of ordinary dividends   $ 51.7 $ 51.8 $ 51.8   $ 155.3  
Subsequent Event [Member] | Dividend Declared [Member]              
Dividends Payable [Line Items]              
Dividend declaration date Jul. 20, 2017            
Dividends declared (usd per share) $ 0.32            
dividends date to be paid Aug. 29, 2017            
Dividends date of record Aug. 08, 2017