XML 94 R81.htm IDEA: XBRL DOCUMENT v3.22.0.1
Common Stock - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Equity [Abstract]      
Common stock, shares authorized 750,000,000 750,000,000  
Common stock, par value $ 0.01 $ 0.01  
Preferred stock, shares authorized 60,000,000 60,000,000  
Preferred stock, par value $ 0.01 $ 0.01  
Preferred stock, shares outstanding 0    
Common stock repurchases 4,702,128 2,911,754  
Treasury stock purchases $ 447.7 $ 187.6 $ 100.0
Stock repurchase program, remaining authorized repurchase amount $ 414.7