Pensions and Postretirement Benefits Other than Pensions (Tables)

6 Months Ended

Jun. 30, 2015

Pension Plan, Defined Benefit [Member]

Schedule of Net Periodic Benefit Cost

The components of the Company’s net periodic pension benefit costs for the three and six months ended June 30 were as follows:

	Three months ended						Six months ended
In millions	2015			2014			2015			2014
Service cost	$	18.8		$	17.3		$	37.7		$	34.6
Interest cost	32.6			37.0			65.2			73.9
Expected return on plan assets	(39.6		)	(39.3		)	(79.2		)	(78.5		)
Net amortization of:
Prior service costs	0.8			1.0			1.6			2.1
Plan net actuarial losses	15.5			9.0			30.9			18.0
Net periodic pension benefit cost	28.1			25.0			56.2			50.1
Net curtailment and settlement losses	—			3.7			—			3.7
Net periodic pension benefit cost after net curtailment and settlement losses	$	28.1		$	28.7		$	56.2		$	53.8
Amounts recorded in continuing operations	$	25.4		$	26.9		$	50.9		$	50.2
Amounts recorded in discontinued operations	2.7			1.8			5.3			3.6
Total	$	28.1		$	28.7		$	56.2		$	53.8

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	2015			2014			2015			2014
Service cost	$	1.1		$	1.3		$	2.1		$	2.6
Interest cost	5.9			7.3			11.9			14.6
Net amortization of:
Prior service gains	(2.2		)	(2.2		)	(4.4		)	(4.4		)
Net actuarial losses	0.1			—			0.2			—
Net periodic postretirement benefit cost	$	4.9		$	6.4		$	9.8		$	12.8
Amounts recorded in continuing operations	$	3.0		$	4.2		$	6.0		$	8.4
Amounts recorded in discontinued operations	1.9			2.2			3.8			4.4
Total	$	4.9		$	6.4		$	9.8		$	12.8