Benefit Plans

6 Months Ended

Jun. 30, 2023

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, 2023 and 2022 were as follows:

	Three months ended				Six months ended
In millions	June 30, 2023		June 30, 2022		June 30, 2023		June 30, 2022
Service cost	$	0.4	$	0.6	$	0.8	$	1.2
Interest cost	1.0		0.6		2.0		1.2
Expected return on plan assets	(0.2)		(0.1)		(0.4)		(0.2)
Net periodic benefit expense	$	1.2	$	1.1	$	2.4	$	2.2

Components of net periodic benefit expense for our other post-retirement plans for the three and six months ended June 30, 2023 and 2022 were not material