Revenues - Contract Liability Balance Activity (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	Dec. 31, 2023
Contract With Customer, Liability [Roll Forward]
Beginning Balance	$ 17.9	$ 21.4
Revenues recognized that were included in the contract liability balances at the beginning of the period	0.6	(1.3)
Increases due to cash received, excluding amounts recognized as revenues during the period	2.1	4.6
Ending Balance	19.4	24.7
Contract with customer, liability, current	3.8	7.2	$ 1.8	$ 3.5
Contract with customer, liability, noncurrent	$ 15.6	$ 17.5	$ 16.1	$ 17.9