Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2017

Schedule of Net Benefit Costs

	U.S. pension plans
	Three months ended						Six months ended
In millions	June 30, 2017			June 30, 2016			June 30, 2017			June 30, 2016
Service cost	$	2.6		$	2.8		$	5.2		$	5.6
Interest cost	4.1			4.1			8.2			8.2
Expected return on plan assets	(2.9		)	(2.9		)	(5.8		)	(5.8		)
Net periodic benefit cost	$	3.8		$	4.0		$	7.6		$	8.0

	Non-U.S. pension plans						Non-U.S. pension plans
	Three months ended						Six months ended
In millions	June 30, 2017			June 30, 2016			June 30, 2017			June 30, 2016
Service cost	$	1.8		$	2.1		$	3.6		$	4.2
Interest cost	0.9			1.1			1.8			2.2
Expected return on plan assets	(0.3		)	(0.4		)	(0.6		)	(0.8		)
Net periodic benefit cost	$	2.4		$	2.8		$	4.8		$	5.6