Benefit Plans

6 Months Ended

Jun. 30, 2022

Retirement Benefits [Abstract]

Benefit Plans

Benefit Plans

Components of net periodic benefit expense for our pension plans for the three and six months ended June 30, 2022 and 2021 were as follows:

	Three months ended				Six months ended
In millions	June 30, 2022		June 30, 2021		June 30, 2022		June 30, 2021
Service cost	$	0.6	$	0.7	$	1.2	$	1.4
Interest cost	0.6		0.5		1.2		1.0
Expected return on plan assets	(0.1)		(0.1)		(0.2)		(0.2)
Net periodic benefit expense	$	1.1	$	1.1	$	2.2	$	2.2

Components of net periodic benefit expense for our other post-retirement plans for the three and six months ended June 30, 2022 and 2021 were not material