XML 71 R57.htm IDEA: XBRL DOCUMENT v3.20.2
Shareholders' Equity (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2020
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Feb. 19, 2019
Jul. 23, 2018
Equity [Abstract]                
Repurchase of shares of our common stock up to a maximum aggregate value             $ 380.0 $ 500.0
Stock Repurchased During Period, Shares       0.2 9.0      
Stock Repurchased During Period, Value $ (3.2) $ (152.8) $ (79.9) $ (3.2) $ (232.7)      
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased       585.1        
Stock Repurchase Program, Number of Shares Authorized to be Repurchased       880.0        
Dividends payable (in dollars per share)             $ 0.175  
Dividends payable       $ 29.7   $ 29.7