Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2022

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

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

	Three months ended				Nine months ended
In millions	September 30, 2022		September 30, 2021		September 30, 2022		September 30, 2021
Service cost	$	0.6	$	0.7	$	1.8	$	2.1
Interest cost	0.6		0.5		1.8		1.5
Expected return on plan assets	(0.1)		(0.1)		(0.3)		(0.3)
Net periodic benefit expense	$	1.1	$	1.1	$	3.3	$	3.3