XML 82 R67.htm IDEA: XBRL DOCUMENT v3.20.4
Commitments and Contingencies - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Commitments and Contingencies Disclosure [Abstract]      
Other commitments $ 630.0    
Commitments And Contingencies [Line Items]      
Pre-tax settlement charges $ (1.2) $ 0.5 $ 45.2