Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2018

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

	U.S. pension plans
	Three months ended
In millions	March 31, 2018			March 31, 2017
Service cost	$	0.8		$	2.6
Interest cost	3.0			4.1
Expected return on plan assets	(2.2		)	(2.9		)
Net periodic benefit cost	$	1.6		$	3.8

	Non-U.S. pension plans
	Three months ended
In millions	March 31, 2018			March 31, 2017
Service cost	$	1.8		$	1.8
Interest cost	1.1			0.9
Expected return on plan assets	(0.4		)	(0.3		)
Net periodic benefit cost	$	2.5		$	2.4