Retirement Benefits

3 Months Ended

Dec. 31, 2023

Retirement Benefits [Abstract]

Retirement Benefits

Retirement Benefits

The components of net periodic pension and postretirement benefit cost (credit) were (in millions):

	Pension Benefits
	Three Months Ended December 31,
	2023		2022
Service cost	$	9.3	$	10.6
Interest cost	36.6		39.2
Expected return on plan assets	(42.2)		(51.3)
Amortization of net actuarial gain	(0.3)		(1.0)
Net periodic pension benefit cost (credit)	$	3.4	$	(2.5)

	Other Postretirement Benefits
	Three Months Ended December 31,
	2023		2022
Service cost	$	0.1	$	0.1
Interest cost	0.6		0.6
Amortization of net actuarial loss	0.4		0.1
Net periodic postretirement benefit cost	$	1.1	$	0.8

The service cost component is included in Cost of sales and Selling, general and administrative expenses in the Consolidated Statement of Operations. All other components are included in Other income in the Consolidated Statement of Operations.