Pension and Other Postemployment Benefits (Tables)

3 Months Ended

Mar. 31, 2025

Pension and Other Postemployment Benefits [Abstract]

Net Periodic Benefit Expense

Pension and other postemployment benefits net periodic benefit expense:

	Defined Benefit Pension Plans				Postemployment Arrangements
	Three Months Ended March 31,				Three Months Ended March 31,
	2025		2024		2025		2024
Service cost	$	1.5	$	0.6	$	0.5	$	0.8
Interest cost	1.8		1.0		1.4		1.5
Expected return on plan assets	(0.2)		(0.2)		—		—
Amortization of prior service cost	0.8		0.1		0.9		1.1
Amortization of actuarial losses	0.5		0.2		—		0.1
Total net periodic benefit expense	$	4.4	$	1.7	$	2.8	$	3.5