Leases - Lease Costs (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Lessee, Lease, Description [Line Items]
Operating lease costs	$ 10.3	$ 9.2
Finance lease cost:
Amortization of leased assets	1.0	1.0
Interest on finance lease obligations	0.2	0.1
Total lease costs	11.5	10.3
Operating Lease
Finance lease cost:
Variable lease costs	1.3	1.2
Short-term lease costs	0.7	0.3
Finance Lease
Finance lease cost:
Variable lease costs	$ 0.2	$ 0.2