Other Assets and Liabilities - Other Non-Current Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Other Assets and Other Liabilities [Abstract]
Deferred revenue - long term	$ 19.4	$ 13.9
U.S. tax liability associated with the 2017 Act	29.4	39.3
Long-term lease liability	35.1	43.9
Liabilities for unrecognized tax benefits	20.3	20.0
Other	10.9	9.7
Total	$ 115.1	$ 126.8