Long-term Debt - Schedule of Long-term Debt (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Lines of credit	$ 218.9	$ 182.9
Senior secured second lien notes	500.0	500.0
Unamortized debt issuance costs	(4.0)	(4.3)
Debt discount	(16.9)	(18.8)
Finance leases	45.9	46.0
Total debt and finance leases	743.9	705.8
Less: current maturities	(11.3)	(10.5)
Long-term debt and finance leases, net	$ 732.6	$ 695.3