Debt (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Europe Subsidiary [Member]
Foreign Subsidiary Indebtedness [Line Items]
Balance as of December 31, 2013	$ 37,749
Maturities of indebtedness	(2,152)
New/renewed indebtedness	0
Change in borrowings on credit facilities	4,874
Foreign exchange impact	79
Balance as of March 31, 2014	40,550
Brazil Subsidiary [Member]
Foreign Subsidiary Indebtedness [Line Items]
Balance as of December 31, 2013	26,461
Maturities of indebtedness	(1,706)
New/renewed indebtedness	8,805
Change in borrowings on credit facilities	0
Foreign exchange impact	1,057
Balance as of March 31, 2014	34,617
China Subsidiary [Member]
Foreign Subsidiary Indebtedness [Line Items]
Balance as of December 31, 2013	12,338
Maturities of indebtedness	(3,216)
New/renewed indebtedness	1,447
Change in borrowings on credit facilities	273
Foreign exchange impact	(322)
Balance as of March 31, 2014	$ 10,520