Retirement Benefits

3 Months Ended

Dec. 31, 2022

Retirement Benefits [Abstract]

Retirement Benefits

Retirement Benefits

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

	Pension Benefits
		Three Months Ended December 31,
		2022		2021
Service cost		$	10.6	$	20.4
Interest cost		39.2		32.4
Expected return on plan assets		(51.3)		(59.4)
Amortization of net actuarial (gain) loss		(1.0)		22.3
Net periodic pension benefit (credit) cost		$	(2.5)	$	15.7

	Other Postretirement Benefits
		Three Months Ended December 31,
		2022		2021
Service cost		$	0.1	$	0.2
Interest cost		0.6		0.3
Amortization of prior service credit		—		(0.2)
Amortization of net actuarial loss		0.1		0.2
Net periodic postretirement benefit cost		$	0.8	$	0.5

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.