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Shareholders' Equity - Schedule of Dividend Paid and Proposed (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Aug. 01, 2019
May 01, 2019
Feb. 06, 2019
Aug. 01, 2018
May 02, 2018
Feb. 07, 2018
Jun. 30, 2019
Jul. 01, 2018
Jun. 30, 2019
Jul. 01, 2018
Class of Stock [Line Items]                    
Dividends paid   $ 3.4 $ 3.4 $ 3.3 $ 3.3 $ 3.4 $ 3.4 $ 3.3 $ 6.8 $ 6.7
Dividends paid (in USD per share)   $ 0.125 $ 0.125 $ 0.125 $ 0.125 $ 0.125        
Subsequent Event                    
Class of Stock [Line Items]                    
Dividends paid $ 3.4                  
Dividends paid (in USD per share) $ 0.125