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Supplemental Financial Information (Other Income) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Supplemental Financial Information [Abstract]
Net foreign currency exchange gains	$ 5.4	$ 0.5
Net periodic pension and retiree medical income	(0.7)	(0.1)
Other expense	(0.3)	0.0
Other, net	$ 5.8	$ 0.6

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Amount of net periodic benefit cost (credit) for defined benefit plan.

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Supplemental Financial Information [Abstract]

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