Retirement Benefits

3 Months Ended

Dec. 31, 2021

Retirement Benefits [Abstract]

Retirement Benefits

Retirement Benefits

The components of net periodic benefit cost were (in millions):

	Pension Benefits
		Three Months Ended December 31,
		2021		2020
Service cost		$	20.4	$	22.7
Interest cost		32.4		31.3
Expected return on plan assets		(59.4)		(60.4)
Amortization:
Prior service cost		—		0.4
Net actuarial loss		22.3		36.7
Settlements		—		(0.2)
Net periodic benefit cost		$	15.7	$	30.5

	Other Postretirement Benefits
		Three Months Ended December 31,
		2021		2020
Service cost		$	0.2	$	0.3
Interest cost		0.3		0.3
Amortization:
Prior service credit		(0.2)		(1.4)
Net actuarial loss		0.2		0.3
Net periodic benefit cost (credit)		$	0.5	$	(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.