Income Taxes - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Federal tax rate	35.00%	35.00%	35.00%
Increase in valuation allowance	$ 2.2	$ 5.2
Income Tax Disclosure [Line Items]
Limitation on operating loss carryforward	0.1
Undistributed earnings for foreign operations	(3.0)	(10.7)
Income (loss) from foreign operations	13.6	$ (29.6)	$ 15.6
Domestic Tax Authority
Income Tax Disclosure [Line Items]
Net operating loss carryforward from acquisitions	0.4
Tax credit carryforward	1.8
Tax deduction on equity component	3.1
State and Local Jurisdiction
Income Tax Disclosure [Line Items]
Operating loss carryforwards	5.9
Tax credit carryforward	0.5
Tax deduction on equity component	2.6
IRS | Domestic Tax Authority
Income Tax Disclosure [Line Items]
Operating loss carryforwards	3.5
France tax authority | Domestic Tax Authority
Income Tax Disclosure [Line Items]
Operating loss carryforwards	21.2
Italy tax authority | Domestic Tax Authority
Income Tax Disclosure [Line Items]
Operating loss carryforwards	1.2
Chile tax authority | Domestic Tax Authority
Income Tax Disclosure [Line Items]
Operating loss carryforwards	3.0
Germany Tax Authority [Member] [Domain] | Domestic Tax Authority
Income Tax Disclosure [Line Items]
Operating loss carryforwards	2.0
South Africa Tax Authority [Member] [Domain] | Domestic Tax Authority
Income Tax Disclosure [Line Items]
Operating loss carryforwards	1.4
Brazil tax authority | Domestic Tax Authority
Income Tax Disclosure [Line Items]
Operating loss carryforwards	$ 1.9