Pensions and Other Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2020

Retirement Benefits [Abstract]

Schedule of pension and postretirement expenses

The pension and postretirement expenses related to the Company’s plans consisted of the following:

	Pension Benefits								Postretirement Health Care Benefits
	Three Months Ended				Six Months Ended				Three Months Ended				Six Months Ended
	June 30,				June 30,				June 30,				June 30,
In millions	2020		2019		2020		2019		2020		2019		2020		2019
Components of Net Periodic Cost:
Service Cost	$	3.9	$	3.7	$	7.8	$	7.0	$	0.2	$	0.2	$	0.3	$	0.3
Interest Cost	3.1		11.5		7.7		23.0		0.3		0.3		0.5		0.6
Administrative Expenses	0.1		0.1		0.2		0.2		—		—		—		—
Expected Return on Plan Assets	(4.7)		(13.7)		(11.6)		(27.5)		—		—		—		—
Net Settlement Loss	—		—		152.5		—		—		—		—		—
Amortization:
Prior Service Credit	—		—		—		—		—		(0.1)		(0.1)		(0.1)
Actuarial Loss (Gain)	1.1		2.6		2.7		5.1		(0.5)		(0.7)		(0.9)		(1.2)
Net Periodic Cost (Benefit)	$	3.5	$	4.2	$	159.3	$	7.8	$	—	$	(0.3)	$	(0.2)	$	(0.4)