Pension and Post-Retirement Plans (Tables)

9 Months Ended

Sep. 30, 2017

Retirement Benefits [Abstract]

Components of net periodic pension and post-retirement benefit costs

The components of net periodic pension and post-retirement benefit costs for the three and nine months ended September 30, 2017 and 2016 were as follows:

	Three Months Ended September 30,												Nine Months Ended September 30,
(amounts in millions)	2017						2016						2017						2016
Pension & SERP Benefits	Domestic			Foreign			Domestic			Foreign			Domestic			Foreign			Domestic			Foreign
Service cost	$	—		$	0.5		$	—		$	0.4		$	—		$	1.4		$	—		$	1.3
Interest cost on the projected benefit obligation	2.2			0.6			2.5			0.8			6.6			1.8			7.6			2.3
Expected return on plan assets	(2.5		)	(0.5		)	(2.9		)	(0.6		)	(7.6		)	(1.5		)	(8.7		)	(1.9		)
Amortization of prior service cost	—			—			—			0.1			—			0.1			—			0.4
Amortization of actuarial net loss	—			—			—			—			—			0.1			—			—
Net periodic (benefit) cost	$	(0.3	)	$	0.6		$	(0.4	)	$	0.7		$	(1.0	)	$	1.9		$	(1.1	)	$	2.1

	Three Months Ended September 30,								Nine Months Ended September 30,
(amounts in millions)	2017				2016				2017				2016
Post-retirement Benefits	Domestic		Foreign		Domestic		Foreign		Domestic		Foreign		Domestic		Foreign
Service cost	$	—	$	—	$	—	$	—	$	—	$	0.1	$	—	$	—
Interest cost on the projected benefit obligation	0.1		0.1		0.1		0.1		0.3		0.3		0.3		0.2
Net periodic cost	$	0.1	$	0.1	$	0.1	$	0.1	$	0.3	$	0.4	$	0.3	$	0.2