XML 183 R106.htm IDEA: XBRL DOCUMENT v3.22.1
Operating Leases - Schedule of Operating Lease Costs (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Leases [Abstract]      
Amortization of right-of-use operating lease assets $ 12.0 $ 11.8 $ 13.4
Interest on operating lease liability 5.5 5.5  
Operating lease charge $ 17.5 $ 17.3 $ 18.0