XML 57 R47.htm IDEA: XBRL DOCUMENT v3.23.3
Leases - Components of Lease Expense (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Leases [Abstract]        
Operating lease cost $ 7.3 $ 7.0 $ 21.4 $ 22.5
Sublease income (0.6) (0.7) (1.9) (1.9)
Total lease cost $ 6.7 $ 6.3 $ 19.5 $ 20.6