Other Long-term Liabilities - Changes in Deferred Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Other Liabilities, Noncurrent [Abstract]
Balance at beginning of period	$ 198.8	$ 171.8
Additions	67.4	34.5
Revenue recognized	(17.4)	(7.5)	$ (3.9)
Balance at end of period	$ 248.8	$ 198.8	$ 171.8