Debt - Schedule of Outstanding Debt Balances (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Long-term debt, gross	$ 967.8	$ 965.8
Long-term deferred financing fees	(33.8)	(38.5)
Total outstanding debt	934.0	927.3
2030 Senior Secured Notes | Senior Notes
Debt Instrument [Line Items]
Long-term debt, gross	950.0	950.0
Other
Debt Instrument [Line Items]
Long-term debt, gross	$ 17.8	$ 15.8