XML 108 R91.htm IDEA: XBRL DOCUMENT v3.22.0.1
Employee Benefit Plans (Contributions to Defined Contribution Plans) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Oct. 15, 2019
Apr. 03, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Contributions to defined contribution plans $ 19.9 $ 17.8 $ 19.1    
Transfer of pension plan asset to life insurance company       $ 73.5 $ 100.0
UNITED STATES          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Percentage Of Projected Benefit Obligation By Pension Plans 84.00%        
Plan assets (as a percent) 78.00%