Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Taxes [Line Items]
Provision (benefit) for income taxes	$ 1,179	$ (6,943)
Effective Income Tax Rate, Continuing Operations	7.10%	34.60%
Australia Tax Authority [Member]
Income Taxes [Line Items]
Tax years subject to examination	2011
Belgium Tax Authority [Member]
Income Taxes [Line Items]
Tax years subject to examination	2013
Brazil Tax Authority [Member]
Income Taxes [Line Items]
Tax years subject to examination	2011
China Tax Authority [Member]
Income Taxes [Line Items]
Tax years subject to examination	2012
France Tax Authority [Member]
Income Taxes [Line Items]
Tax years subject to examination	2013
German Tax Authority [Member]
Income Taxes [Line Items]
Tax years subject to examination	2011
India Tax Authority [Member]
Income Taxes [Line Items]
Tax years subject to examination	2012
Israel Tax Authority [Member]
Income Taxes [Line Items]
Tax years subject to examination	2013
Italy Tax Authority [Member]
Income Taxes [Line Items]
Tax years subject to examination	2012
Japan Tax Authority [Member]
Income Taxes [Line Items]
Tax years subject to examination	2011
Korea Tax Authority [Member]
Income Taxes [Line Items]
Tax years subject to examination	2011
Mexican Tax Authority [Member]
Income Taxes [Line Items]
Tax years subject to examination	2011
Netherlands Tax Authority [Member]
Income Taxes [Line Items]
Tax years subject to examination	2011
Switzerland Tax Authority [Member]
Income Taxes [Line Items]
Tax years subject to examination	2011
United Kingdom Tax Authority [Member]
Income Taxes [Line Items]
Tax years subject to examination	2014
Uruguay Tax Authority [Member]
Income Taxes [Line Items]
Tax years subject to examination	2010
Minimum [Member] | U.S. Internal Revenue Service [Member]
Income Taxes [Line Items]
Tax years subject to examination	1997
Maximum [Member] | U.S. Internal Revenue Service [Member]
Income Taxes [Line Items]
Tax years subject to examination	2015