Income Taxes - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Federal tax rate	35.00%	35.00%	35.00%
Increase in valuation allowance	$ 2.4	$ 2.2
Income Tax Disclosure [Line Items]
Limitation on operating loss carryforward	0.2
Undistributed earnings for foreign operations	59.0	34.5
Income (loss) from foreign operations	14.9	$ 13.6	$ (29.6)
Credit to income tax provision	5.4
Transition tax	5.3
Domestic Tax Authority
Income Tax Disclosure [Line Items]
Net operating loss carryforward from acquisitions	0.6
Tax credit carryforward	0.3
State and Local Jurisdiction
Income Tax Disclosure [Line Items]
Operating loss carryforwards	0.3
IRS | Domestic Tax Authority
Income Tax Disclosure [Line Items]
Operating loss carryforwards	0.6
France tax authority | Domestic Tax Authority
Income Tax Disclosure [Line Items]
Operating loss carryforwards	8.9
Italy tax authority | Domestic Tax Authority
Income Tax Disclosure [Line Items]
Operating loss carryforwards	0.4
Chile tax authority | Domestic Tax Authority
Income Tax Disclosure [Line Items]
Operating loss carryforwards	1.3
Germany Tax Authority [Member] [Domain] | Domestic Tax Authority
Income Tax Disclosure [Line Items]
Operating loss carryforwards	0.8
South Africa Tax Authority [Member] [Domain] | Domestic Tax Authority
Income Tax Disclosure [Line Items]
Operating loss carryforwards	0.2
Brazil tax authority | Domestic Tax Authority
Income Tax Disclosure [Line Items]
Operating loss carryforwards	$ 0.3