Benefit Plans, Reconciliation of Changes in Fair Value Measurement of Plan Assets Using Significant Unobservable Inputs (Details) - Significant Unobservable Inputs (Level 3) [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Changes in Fair Value Measurement of Plan Assets [Roll Forward]
Beginning balance	$ 7.6	$ 6.0
Purchases, sales, settlements	0.0	0.0
Actual (loss) return on plan assets still held at reporting date	(0.6)	1.8
Foreign exchange impact	0.1	(0.2)
Ending balance	7.1	7.6
Fair Value Transfers [Abstract]
Fair value, assets, Level 3 transfers in, amount	0.0	0.0
Fair value, assets, Level 3 transfers out, amount	$ 0.0	$ 0.0