Leases - Components of Lease Expense (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Lease, Cost [Abstract]
Operating lease expense	$ 6.9	$ 6.8
Short-term lease expense	0.9	2.4
Low-value lease expense	0.3	0.3
Variable lease expense	3.1	2.7
Finance lease expense:
Amortization of right-of-use assets	2.9	2.3
Interest on lease liabilities	1.0	0.9
Sublease income	(0.1)	(0.1)
Total lease expense	$ 15.0	$ 15.3