Other Noncurrent Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Other Liabilities Disclosure [Abstract]
Pension and retiree medical obligations	$ 55.2	$ 55.1
Transition tax payable	9.1	9.1
Deferred revenue	14.5	15.0
Lease liability	99.3	96.6
Other	20.5	20.0
Total other noncurrent liabilities	$ 198.6	$ 195.8