Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2017

Schedule of Net Benefit Costs

	U.S. pension plans
	Three months ended						Nine months ended
In millions	September 30, 2017			September 30, 2016			September 30, 2017			September 30, 2016
Service cost	$	2.6		$	2.8		$	7.8		$	8.4
Interest cost	4.1			4.1			12.3			12.3
Expected return on plan assets	(2.9		)	(2.9		)	(8.7		)	(8.6		)
Net periodic benefit cost	$	3.8		$	4.0		$	11.4		$	12.1

	Non-U.S. pension plans
	Three months ended						Nine months ended
In millions	September 30, 2017			September 30, 2016			September 30, 2017			September 30, 2016
Service cost	$	1.8		$	2.1		$	5.4		$	6.2
Interest cost	0.9			1.1			2.7			3.3
Expected return on plan assets	(0.3		)	(0.4		)	(0.9		)	(1.2		)
Net periodic benefit cost	$	2.4		$	2.8		$	7.2		$	8.3