Leases - Maturities of Operating and Finance Lease Liabilities (Details) $ in Millions	Sep. 30, 2024 USD ($)
Operating Leases
2024 (remaining period as of September 30, 2024)	$ 6.2
2025	23.2
2026	20.2
2027	15.5
2028	14.1
Thereafter	37.2
Operating leases liabilities payments due	116.4
Less: imputed lease interest	(14.2)
Total lease liabilities	102.2
Finance Leases
2024 (remaining period as of September 30, 2024)	0.2
2025	0.9
2026	0.9
2027	0.8
2028	0.5
Thereafter	0.1
Finance leases liabilities payments due	3.4
Less: imputed lease interest	(0.3)
Total lease liabilities	$ 3.1