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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Tax Examination [Line Items]
Provision (benefit) for income taxes	$ 3,723	$ (2,214)	$ 6,831	$ 665
Effective Income Tax Rate, Continuing Operations	11.10%	9.40%	14.10%	1.50%
Australia Tax Authority [Member]
Income Tax Examination [Line Items]
Tax years subject to examination			2012
Belgium Tax Authority [Member]
Income Tax Examination [Line Items]
Tax years subject to examination			2013
Brazil Tax Authority [Member]
Income Tax Examination [Line Items]
Tax years subject to examination			2011
China Tax Authority [Member]
Income Tax Examination [Line Items]
Tax years subject to examination			2015
France Tax Authority [Member]
Income Tax Examination [Line Items]
Tax years subject to examination			2014
German Tax Authority [Member]
Income Tax Examination [Line Items]
Tax years subject to examination			2013
India Tax Authority [Member]
Income Tax Examination [Line Items]
Tax years subject to examination			2013
Israel Tax Authority [Member]
Income Tax Examination [Line Items]
Tax years subject to examination			2012
Italy Tax Authority [Member]
Income Tax Examination [Line Items]
Tax years subject to examination			2011
Japan Tax Authority [Member]
Income Tax Examination [Line Items]
Tax years subject to examination			2012
Korea Tax Authority [Member]
Income Tax Examination [Line Items]
Tax years subject to examination			2012
Mexican Tax Authority [Member]
Income Tax Examination [Line Items]
Tax years subject to examination			2011
Netherlands Tax Authority [Member]
Income Tax Examination [Line Items]
Tax years subject to examination			2011
Switzerland Tax Authority [Member]
Income Tax Examination [Line Items]
Tax years subject to examination			2011
United Kingdom Tax Authority [Member]
Income Tax Examination [Line Items]
Tax years subject to examination			2015
Uruguay Tax Authority [Member]
Income Tax Examination [Line Items]
Tax years subject to examination			2011
U.S Federal Income Tax [Member] | Minimum [Member] | U.S. Internal Revenue Service [Member]
Income Tax Examination [Line Items]
Tax years subject to examination			2003
U.S Federal Income Tax [Member] | Maximum [Member] | U.S. Internal Revenue Service [Member]
Income Tax Examination [Line Items]
Tax years subject to examination			2015

X

- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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