Interest and Other Nonoperating Income (Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Interest and Other Income [Abstract]
Interest income	$ 48.9	$ 36.3	$ 23.6
Retirement benefit cost other than service cost	(0.2)	(0.5)	(16.7)
Foreign currency transaction gains (losses)	0.3	(1.1)	2.4
Non-income taxes on intercompany billings	(2.1)	(2.6)	(2.3)
Argentina turnover tax	(3.4)	(6.8)	(1.8)
Gain (loss) on equity and debt securities	5.0	(12.8)	0.0
Other	0.2	1.9	(1.5)
Interest and other nonoperating income (expense)	$ 48.7	$ 14.4	$ 3.7