Leases (Schedule of Lease Costs) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Lease, Cost [Abstract]
Operating lease cost	$ 10.0	$ 8.5	$ 7.0
Finance lease cost
Amortization of leased assets	4.2	3.1	2.4
Interest on lease liabilities	1.4	0.9	0.6
Total finance lease cost	$ 5.6	$ 4.0	$ 3.0