Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2017		Dec. 31, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax Beginning		$ (35.2)		$ (24.9)
OCI, before Reclassifications, Net of Tax, Attributable to Parent		25.0		(11.3)
Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent		2.1		1.0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent		27.1		(10.3)
Accumulated Other Comprehensive Income (Loss), Net of Tax Ending		(8.1)		(35.2)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax		2.9		0.6
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax, Attributable to Parent		0.4		0.5
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax Beginning		(24.7)		(12.5)
OCI, before Reclassifications, Net of Tax, Attributable to Parent		25.6		(12.2)
Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent		1.3	[1]	0.0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent		26.9		(12.2)
Accumulated Other Comprehensive Income (Loss), Net of Tax Ending		2.2		(24.7)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax Beginning		(10.5)		(12.4)
OCI, before Reclassifications, Net of Tax, Attributable to Parent		(0.5)		0.9
Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent	[2]	0.8		1.0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent		0.3		1.9
Accumulated Other Comprehensive Income (Loss), Net of Tax Ending		(10.2)		(10.5)
Selling, General and Administrative Expenses [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax		0.7		0.9
Cost of Sales [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax		$ 0.5		$ 0.6

[1] For the year ended December 31, 2017, $1.3 was reclassified from accumulated other comprehensive loss to foreign currency loss in the consolidated statements of operations and comprehensive income related to certain intercompany transactions.

[2] Amounts reclassified from accumulated other comprehensive loss were expensed and included in cost of sales ($0.5 and $0.6 for the years ended December 31, 2017 and 2016, respectively) and selling, general and administrative expenses ($0.7 and $0.9 for the years ended December 31, 2017 and 2016, respectively) in the consolidated statements of operations.