Leases - Schedule of Future Minimum Lease Payments for Operating and Finance Leases (Details) $ in Millions	Sep. 30, 2025 USD ($)
Lessee, Operating Lease, Liability, to be Paid [Abstract]
2026	$ 3.2
2027	2.5
2028	0.4
2029	0.1
Total future minimum lease payments	6.2
Less: amount representing interest	(0.5)
Present value of future minimum lease payments	5.7
Less: current portion of operating lease obligations	(2.9)
Long-term portion of operating lease obligations	2.8
Finance Lease, Liability, to be Paid [Abstract]
2026	6.7
2027	5.7
2028	3.1
2029	0.7
Total future minimum lease payments	16.2
Less: amount representing interest and fees	(2.0)
Present value of future minimum lease payments	14.2
Less: current portion of finance lease obligations	(5.6)
Long-term portion of finance lease obligations	$ 8.6