Other Comprehensive Loss - OCI Components (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Net Prior Service Credit arising during period [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pre-Tax Amount		$ 1.1		$ 1.1
Tax Benefit/ (Expense)		(0.4)		(0.4)
After-Tax Amount		0.7		0.7
Net Deferred Actuarial Gain Arising During Period [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pre-Tax Amount		0.1		0.1
Tax Benefit/ (Expense)		0.0		0.0
After-Tax Amount		0.1		0.1
Gain on Curtailment of Postretirement Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pre-Tax Amount		(4.5)		(4.5)
Tax Benefit/ (Expense)		1.6		1.6
After-Tax Amount		(2.9)		(2.9)
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pre-Tax Amount	$ (0.6)	(0.8)	$ (1.9)	(2.6)
Tax Benefit/ (Expense)	0.2	0.2	0.7	0.9
After-Tax Amount	(0.4)	(0.6)	(1.2)	(1.7)
Defined Benefit Pension and Other Postretirement Plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pre-Tax Amount	0.1	0.2	0.4	0.5
Tax Benefit/ (Expense)	0.0	(0.1)	(0.2)	(0.2)
After-Tax Amount	0.1	0.1	0.2	0.3
Other changes in funded status
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pre-Tax Amount				(0.4)
Tax Benefit/ (Expense)				0.1
After-Tax Amount				(0.3)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pre-Tax Amount	(0.5)	(3.9)	(1.5)	(5.8)
Tax Benefit/ (Expense)	0.2	1.3	0.5	2.0
After-Tax Amount	(0.3)	(2.6)	(1.0)	(3.8)
Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pre-Tax Amount	(2.3)	(32.8)	(6.4)	(44.3)
Tax Benefit/ (Expense)	0.0	0.0	0.0	0.0
After-Tax Amount	(2.3)	(32.8)	(6.4)	(44.3)
Gain (loss) from Hedging Activities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pre-Tax Amount	0.9	(2.1)	(4.2)	(2.5)
Tax Benefit/ (Expense)	(0.3)	0.7	1.5	0.8
After-Tax Amount	0.6	(1.4)	(2.7)	(1.7)
AOCI Attributable to Parent
Accumulated Other Comprehensive Income (Loss) [Line Items]
Pre-Tax Amount	(1.9)	(38.8)	(12.1)	(52.6)
Tax Benefit/ (Expense)	(0.1)	2.0	2.0	2.8
After-Tax Amount	$ (2.0)	$ (36.8)	$ (10.1)	$ (49.8)