Pensions and Postretirement Benefits Other than Pensions (Tables)

6 Months Ended

Jun. 30, 2018

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 six months ended June 30 were as follows:

	Three months ended						Six months ended
In millions	2018			2017			2018			2017
Service cost	$	17.9		$	17.9		$	35.8		$	35.7
Interest cost	26.9			27.0			53.9			54.0
Expected return on plan assets	(36.7		)	(35.2		)	(73.6		)	(70.4		)
Net amortization of:
Prior service costs	1.0			0.9			2.1			1.9
Net actuarial losses	12.5			13.5			25.0			27.1
Net periodic pension benefit cost	$	21.6		$	24.1		$	43.2		$	48.3
Net curtailment and settlement (gains) losses	1.2			—			1.2			2.3
Net periodic pension benefit cost after net curtailment and settlement (gains) losses	$	22.8		$	24.1		$	44.4		$	50.6
Amounts recorded in continuing operations:
Operating income	$	16.9		$	17.2		$	34.5		$	34.3
Other income/(expense), net	3.8			4.5			5.7			11.5
Amounts recorded in discontinued operations	2.1			2.4			4.2			4.8
Total	$	22.8		$	24.1		$	44.4		$	50.6

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 six months ended June 30 were as follows:

	Three months ended						Six months ended
In millions	2018			2017			2018			2017
Service cost	$	0.7		$	0.7		$	1.4		$	1.5
Interest cost	3.8			4.2			7.6			8.5
Net amortization of:
Prior service gains	(1.0		)	(2.1		)	(2.0		)	(4.3		)
Net actuarial losses	—			—			—			—
Net periodic postretirement benefit cost	$	3.5		$	2.8		$	7.0		$	5.7
Amounts recorded in continuing operations:
Operating income	$	0.7		$	0.7		$	1.4		$	1.5
Other income/(expense), net	2.0			1.7			4.0			2.9
Amounts recorded in discontinued operations	0.8			0.4			1.6			1.3
Total	$	3.5		$	2.8		$	7.0		$	5.7