Other Long-term Liabilities - Schedule of Other Long-term Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Other Liabilities Noncurrent [Abstract]
Deferred revenue	$ 171.8	$ 168.5	$ 172.0
Asset retirement obligations	72.1	68.3	$ 66.3
Operating lease liabilities	34.5	46.2
Other liabilities	23.2	26.1
Total long-term liabilities	$ 301.6	$ 309.1