Retirement Plans

3 Months Ended

Dec. 31, 2020

Retirement Benefits [Abstract]

Retirement Plans

Retirement Plans

The components of net periodic benefit cost for our pension plans are presented below.

	Three months ended
	December 31,
	2020		2019
	(in millions)
Service cost	$	0.4	$	0.4
Pension costs (benefits) other than service:
Interest cost	2.5		2.8
Expected return on plan assets	(3.9)		(4.2)
Amortization of actuarial net loss	0.6		0.7
Pension benefits other than service	(0.8)		(0.7)
Net periodic benefit	$	(0.4)	$	(0.3)

The amortization of actuarial losses, net of tax, is recorded as a component of other comprehensive loss.