Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Tax Examination [Line Items]
Provision (benefit) for income taxes	$ 2,067	$ 1,700	$ 3,108	$ 2,879
Effective Income Tax Rate, Continuing Operations	34.90%	48.40%	21.00%	14.30%
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			2014
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