Other Assets, Accrued Liabilities and Other Liabilities - Schedule of Other Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Operating lease liability, net of current portion	$ 43.5	$ 48.6
Accrued interest and exit fees (non-current portion)	0.7	30.8
Other	2.6	3.3
Total other liabilities	$ 46.8	$ 82.7