Leases - Lease Cash Flow and Supplemental Information (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 12.6	$ 20.3
Operating cash flows from finance leases	0.1	0.0
Financing cash flows from finance leases	0.5	22.9
Right-of-use assets obtained in exchange for new lease liabilities:
Operating leases	9.1	34.1
Finance leases	$ 2.2	$ 24.3