XML 87 R74.htm IDEA: XBRL DOCUMENT v3.22.0.1
Leases - Components of Lease Expense (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Leases [Abstract]      
Operating lease expense $ 26.5 $ 18.5 $ 15.3
Variable lease expense 3.1 2.3 2.6
Short-term lease expense 3.7 3.8 3.2
Total lease expense $ 33.3 $ 24.6 $ 21.1