XML 121 R104.htm IDEA: XBRL DOCUMENT v3.20.4
Stockholders' Equity - Repurchase of Common Stock (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
9 Months Ended 12 Months Ended
Feb. 08, 2019
Dec. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Business Acquisition          
Payment for shares acquired $ 434.0   $ 55.7 $ 507.1 $ 0.0
Stock repurchased, as a percent of issued and outstanding common stock     13.00%    
Common Stock          
Business Acquisition          
Stock repurchase program, authorized amount $ 750.0   $ 750.0    
Treasury shares acquired (in shares) 37.0 7.8 5.7    
Payment for shares acquired   $ 73.5 $ 55.7    
Treasury stock price (usd per share) $ 11.72 $ 9.45 $ 9.74    
Remaining shares authorized for repurchase     $ 187.0