XML 99 R76.htm IDEA: XBRL DOCUMENT v3.22.4
Lease Obligations (Lease Cost) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Operating lease costs:      
Lease costs $ 56.1 $ 50.1 $ 48.4
Variable lease costs 15.1 15.4 12.1
Total operating lease costs 71.2 65.5 60.5
Short-term lease costs 6.6 7.0 4.9
Finance lease costs:      
Amortization of right-of-use assets 1.7 1.7 2.4
Interest on lease liabilities 0.1 0.1 0.1
Total finance lease costs 1.8 1.8 2.5
Total lease costs $ 79.6 $ 74.3 $ 67.9