XML 113 R99.htm IDEA: XBRL DOCUMENT v3.22.0.1
Benefit Plans - Multiemployer Defined Benefit Pension Plans (Details) - Multiemployer Defined Benefit Pension Plans - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Teamsters Local Union 727      
Multiemployer plans      
Pension Protection Zone Status Green Green Green
Contributions $ 2.9 $ 0.3 $ 3.1
Local 272 Labor Management      
Multiemployer plans      
Pension Protection Zone Status Green Green Green
Contributions $ 0.9 $ 1.1 $ 1.3