Debt (Summary of Long-term Debt to Financial Institutions) (Details) In Thousands, unless otherwise specified			9 Months Ended		9 Months Ended			9 Months Ended			9 Months Ended			9 Months Ended			9 Months Ended
	Sep. 30, 2013 USD ($)	Dec. 31, 2012 USD ($)	Sep. 30, 2013 Fixed rate term note payable to a U.S. bank, with an interest rate of 5.5% due January 1, 2016 [Member] USD ($)	Dec. 31, 2012 Fixed rate term note payable to a U.S. bank, with an interest rate of 5.5% due January 1, 2016 [Member] USD ($)	Sep. 30, 2013 Fixed rate Euro term note payable to a Netherlands bank, with an interest rate of 3.85% due July 1, 2029 [Member] USD ($)	Sep. 30, 2013 Fixed rate Euro term note payable to a Netherlands bank, with an interest rate of 3.85% due July 1, 2029 [Member] EUR (€)	Dec. 31, 2012 Fixed rate Euro term note payable to a Netherlands bank, with an interest rate of 3.85% due July 1, 2029 [Member] USD ($)	Sep. 30, 2013 Fixed rate Euro term note payable to a Netherlands bank, with an interest rate of 3.3% due January 31, 2030 [Member] USD ($)	Sep. 30, 2013 Fixed rate Euro term note payable to a Netherlands bank, with an interest rate of 3.3% due January 31, 2030 [Member] EUR (€)	Dec. 31, 2012 Fixed rate Euro term note payable to a Netherlands bank, with an interest rate of 3.3% due January 31, 2030 [Member] USD ($)	Sep. 30, 2013 Fixed rate Euro term note payable to a Netherlands bank, with an interest rate of 4.05% due July 31, 2015 [Member] USD ($)	Sep. 30, 2013 Fixed rate Euro term note payable to a Netherlands bank, with an interest rate of 4.05% due July 31, 2015 [Member] EUR (€)	Dec. 31, 2012 Fixed rate Euro term note payable to a Netherlands bank, with an interest rate of 4.05% due July 31, 2015 [Member] USD ($)	Sep. 30, 2013 Fixed rate Euro term note payable to a Netherlands bank, with an interest rate of 4.25% due July 5, 2014 [Member] USD ($)	Sep. 30, 2013 Fixed rate Euro term note payable to a Netherlands bank, with an interest rate of 4.25% due July 5, 2014 [Member] EUR (€)	Dec. 31, 2012 Fixed rate Euro term note payable to a Netherlands bank, with an interest rate of 4.25% due July 5, 2014 [Member] USD ($)	Sep. 30, 2013 Malaysian Ringgit term note payable to a Malaysian bank, with an interest rate of 5.2% due March 1, 2015 [Member] USD ($)	Sep. 30, 2013 Malaysian Ringgit term note payable to a Malaysian bank, with an interest rate of 5.2% due March 1, 2015 [Member] MYR	Dec. 31, 2012 Malaysian Ringgit term note payable to a Malaysian bank, with an interest rate of 5.2% due March 1, 2015 [Member] USD ($)
Debt Instrument [Line Items]
Interest rate on note payable			5.50%		3.85%	3.85%		3.30%	3.30%		4.05%	4.05%		4.25%	4.25%		5.20%	5.20%
Maturity date			Jan. 01, 2016		Jul. 01, 2029	Jul. 01, 2029		Jan. 31, 2030	Jan. 31, 2030		Jul. 31, 2015	Jul. 31, 2015		Jul. 05, 2014	Jul. 05, 2014		Mar. 01, 2015	Mar. 01, 2015
Total	$ 2,957	$ 3,518	$ 1,013	$ 1,309	$ 352	€ 260	$ 363	$ 386	€ 285	$ 395	$ 95	€ 71	$ 143	$ 216	€ 159	$ 442	$ 895	2,917	$ 866
Less current maturities	1,111	1,202
Total long-term debt - financial institutions	$ 1,846	$ 2,316