Pensions and Postretirement Benefits Other than Pensions (Tables)

9 Months Ended

Sep. 30, 2023

Pension Plan, Defined Benefit [Member]

Schedule of Net Periodic Benefit Cost

The components of the Company’s net periodic pension benefit cost for the three and nine months ended September 30 were as follows:

	Three months ended				Nine months ended
In millions	2023		2022		2023		2022
Service cost	$	9.0	$	11.8	$	26.5	$	35.7
Interest cost	30.2		17.4		90.1		52.8
Expected return on plan assets	(30.1)		(25.7)		(90.1)		(78.0)
Net amortization of:
Prior service costs (benefits)	0.9		0.9		2.6		2.9
Net actuarial (gains) losses	3.9		5.8		11.9		17.5
Net periodic pension benefit cost	13.9		10.2		41.0		30.9
Net curtailment and settlement losses	—		15.0		1.1		15.0
Net periodic pension benefit cost after net curtailment and settlement losses	$	13.9	$	25.2	$	42.1	$	45.9
Amounts recorded in continuing operations:
Operating income	$	7.9	$	10.7	$	23.3	$	32.4
Other income/(expense), net	4.4		13.5		14.0		10.6
Amounts recorded in discontinued operations	1.6		1.0		4.8		2.9
Total	$	13.9	$	25.2	$	42.1	$	45.9

Other Postretirement Benefit Plan, Defined Benefit [Member]

Schedule of Net Periodic Benefit Cost

The components of net periodic postretirement benefit cost for the three and nine months ended September 30 were as follows:

	Three months ended				Nine months ended
In millions	2023		2022		2023		2022
Service cost	$	0.4	$	0.4	$	1.1	$	1.4
Interest cost	3.3		1.7		10.0		5.1
Net amortization of:
Prior service costs (benefits)	0.1		—		0.4		—
Net actuarial (gains) losses	(3.3)		(1.4)		(9.8)		(4.2)
Net periodic postretirement benefit cost	$	0.5	$	0.7	$	1.7	$	2.3
Amounts recorded in continuing operations:
Operating income	$	0.4	$	0.4	$	1.1	$	1.4
Other income/(expense), net	0.3		0.4		1.0		1.0
Amounts recorded in discontinued operations	(0.2)		(0.1)		(0.4)		(0.1)
Total	$	0.5	$	0.7	$	1.7	$	2.3