Pension and Other Postemployment Benefits

9 Months Ended

Sep. 30, 2025

Pension and Other Postemployment Benefits [Abstract]

Pension and Other Postemployment Benefits

Pension and Other Postemployment Benefits

Pension and other postemployment benefits net periodic benefit expense:

	Defined Benefit Pension Plans				Postemployment Arrangements
	Nine Months Ended September 30,				Nine Months Ended September 30,
	2025		2024		2025		2024
Service cost	$	3.7	$	2.1	$	1.6	$	2.3
Interest cost	6.1		4.9		4.1		4.4
Expected return on plan assets	(0.6)		(0.6)		—		—
Amortization of prior service cost	2.3		0.3		2.8		3.3
Amortization of actuarial losses	0.7		0.6		—		0.2
Total net periodic benefit expense	$	12.2	$	7.3	$	8.5	$	10.2

In each of the nine months ended September 30, 2025 and 2024, we contributed $0.5 million and $1.2 million, respectively, to the defined benefit pension plans.