Other Long-Term Liabilities (Schedule of Other Long-Term Liabilities) (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Other Liabilities Disclosure [Abstract]
Long-term deferred compensation arrangements	$ 13.4	$ 12.3
Fair value of derivative liabilities	6.9	3.2
Long-term environmental liabilities	4.2	0.5
Environmental insurance recoveries received in excess of cumulative expenses incurred	0.0	2.6
Acquisition-related contingent consideration	1.5	1.6
Other	7.5	6.6
Total other long-term liabilities	$ 33.5	$ 26.8