Benefit Plans

3 Months Ended

Mar. 31, 2021

Retirement Benefits [Abstract]

Benefit Plans

Benefit Plans

Components of net periodic benefit expense for our pension plans for the three months ended March 31, 2021 and 2020 were as follows:

	Three months ended
In millions	March 31, 2021		March 31, 2020
Service cost	$	0.7	$	0.8
Interest cost	0.5		0.7
Expected return on plan assets	(0.1)		(0.2)
Net periodic benefit expense	$	1.1	$	1.3

Components of net periodic benefit expense for our other post-retirement plans for the three months ended March 31, 2021 and 2020 were not material