Income Taxes (Schedule of Reconciliation of Unrecognized Tax Benefits) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning balance as of January 1	$ 8.9	$ 6.6	$ 15.7
Gross increases - current period tax positions	1.1	3.4	1.0
Gross increases - tax positions in prior periods	0.0	0.2	1.2
Gross decreases - tax positions in prior periods	(0.5)	(0.2)	(9.2)
Foreign currency exchange	0.1	(0.1)	0.0
Settlements	0.1
Settlements		(1.0)	(2.1)
Lapse of statue of limitations	(1.2)	0.0	0.0
Ending balance as of December 31	$ 8.5	$ 8.9	$ 6.6