Notes and Other Debt, Net - Schedule of Interest Expense (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Debt Instrument [Line Items]
Amortization of deferred financing costs and debt premium/discount	$ 3.0	$ 5.8	$ 13.9	$ 16.8
Loss on extinguishment of debt	0.0	0.0	40.5	0.0
Accretion of settlement payable	0.3	1.4	1.7	5.1
Capitalized interest	(3.5)	(0.7)	(4.8)	(2.2)
Other	1.1	(1.0)	(0.8)	(2.2)
Interest expense, net	168.2	131.0	467.0	381.7
Interest rate cap:
Debt Instrument [Line Items]
Interest rate	0.2	0.4	0.7	1.1
Interest rate swap:
Debt Instrument [Line Items]
Interest rate	(0.3)	0.0	(0.3)	0.0
Senior secured revolving credit facility - variable rate
Debt Instrument [Line Items]
Interest expense	5.5	0.7	7.0	6.6
ABS Notes and Bridge Loan Facility
Debt Instrument [Line Items]
Interest expense	9.5	5.7	27.2	13.2
Secured Debt
Debt Instrument [Line Items]
Interest expense	105.2	84.4	265.1	238.2
Unsecured Debt
Debt Instrument [Line Items]
Interest expense	$ 47.2	$ 34.3	$ 116.8	$ 105.1