Leases - Components of Lease Expense (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Lease, Cost [Abstract]
Operating lease expense	$ 6.8	$ 6.9
Short-term lease expense	2.4	1.7
Low-value lease expense	0.3	0.3
Variable lease expense	2.7	2.1
Finance lease expense:
Amortization of right-of-use assets	2.3	1.3
Interest on lease liabilities	0.9	0.5
Sublease income	(0.1)
Total lease expense	$ 15.3	$ 12.8