Debt (Details) In Thousands, unless otherwise specified	Sep. 30, 2012 USD ($)	Dec. 31, 2011 USD ($)	Sep. 30, 2012 Fixed term note payable 6.65% due January 1, 2016 USD ($)	Dec. 31, 2011 Fixed term note payable 6.65% due January 1, 2016 USD ($)	Sep. 30, 2012 Fixed term note payable 5.24% due April 1, 2013 USD ($)	Dec. 31, 2011 Fixed term note payable 5.24% due April 1, 2013 USD ($)	Sep. 30, 2012 Fixed term note payable 7.8% due July 1, 2029 USD ($)	Sep. 30, 2012 Fixed term note payable 7.8% due July 1, 2029 EUR (€)	Dec. 31, 2011 Fixed term note payable 7.8% due July 1, 2029 USD ($)	Sep. 30, 2012 Fixed term note payable 4.6% due January 31, 2030 USD ($)	Sep. 30, 2012 Fixed term note payable 4.6% due January 31, 2030 EUR (€)	Dec. 31, 2011 Fixed term note payable 4.6% due January 31, 2030 USD ($)	Sep. 30, 2012 Fixed term note payable 4.05% due July 31, 2015 USD ($)	Sep. 30, 2012 Fixed term note payable 4.05% due July 31, 2015 EUR (€)	Dec. 31, 2011 Fixed term note payable 4.05% due July 31, 2015 USD ($)	Sep. 30, 2012 Fixed term note payable 4.25% due July 5, 2014 USD ($)	Sep. 30, 2012 Fixed term note payable 4.25% due July 5, 2014 EUR (€)	Dec. 31, 2011 Fixed term note payable 4.25% due July 5, 2014 USD ($)	Sep. 30, 2012 Fixed term note payable 5.2% due March 1, 2015 USD ($)	Sep. 30, 2012 Fixed term note payable 5.2% due March 1, 2015 MYR	Dec. 31, 2011 Fixed term note payable 5.2% due March 1, 2015 USD ($)
Debt Instrument [Line Items]
Total	$ 3,634	$ 3,481	$ 1,404	$ 1,680	$ 16	$ 35	$ 390	€ 304	$ 413	$ 390	€ 304	$ 412	$ 155	€ 121	$ 205	$ 505	€ 393	$ 736	$ 774	2,365
Less current maturities	818	813
Total long-term debt and notes payable - financial institutions	$ 2,816	$ 2,668