Correction of Errors in Previously Reported Financial Statements (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2008 Previously reported [Member]	Dec. 31, 2011 Adjustments [Member]	Dec. 31, 2010 Adjustments [Member]	Dec. 31, 2009 Adjustments [Member]	Dec. 31, 2011 Tax [Member]	Dec. 31, 2008 Tax [Member] Previously reported [Member]	Dec. 31, 2011 Tax [Member] Adjustments [Member]	Dec. 31, 2010 Tax [Member] Adjustments [Member]	Dec. 31, 2009 Tax [Member] Adjustments [Member]	Dec. 31, 2011 Other [Member]	Dec. 31, 2008 Other [Member] Previously reported [Member]	Dec. 31, 2011 Other [Member] Adjustments [Member]	Dec. 31, 2010 Other [Member] Adjustments [Member]	Dec. 31, 2009 Other [Member] Adjustments [Member]	Dec. 31, 2011 Spain [Member]	Dec. 31, 2008 Spain [Member] Previously reported [Member]	Dec. 31, 2011 Spain [Member] Adjustments [Member]	Dec. 31, 2010 Spain [Member] Adjustments [Member]	Dec. 31, 2009 Spain [Member] Adjustments [Member]	Dec. 31, 2011 Poland [Member]	Dec. 31, 2011 Poland [Member] Adjustments [Member]	Dec. 31, 2010 Poland [Member] Adjustments [Member]	Dec. 31, 2011 South Africa [Member]	Dec. 31, 2008 South Africa [Member] Previously reported [Member]	Dec. 31, 2011 South Africa [Member] Adjustments [Member]	Dec. 31, 2010 South Africa [Member] Adjustments [Member]	Dec. 31, 2009 South Africa [Member] Adjustments [Member]	Dec. 31, 2011 Malaysia [Member]	Dec. 31, 2008 Malaysia [Member] Previously reported [Member]	Dec. 31, 2011 Malaysia [Member] Adjustments [Member]	Dec. 31, 2010 Malaysia [Member] Adjustments [Member]	Dec. 31, 2009 Malaysia [Member] Adjustments [Member]	Dec. 31, 2011 Dong Ming [Member]	Dec. 31, 2008 Dong Ming [Member] Previously reported [Member]	Dec. 31, 2011 Dong Ming [Member] Adjustments [Member]	Dec. 31, 2010 Dong Ming [Member] Adjustments [Member]	Dec. 31, 2009 Dong Ming [Member] Adjustments [Member]
Increase (decrease) to Net income	$ (5,300)	$ (700)	$ (600)	$ (1,200)	$ (2,800)	$ (100)	$ (500)	$ 1,500	$ (600)	$ (500)	$ (400)	$ (400)	$ 500	$ 500	$ (1,000)	$ (2,500)	$ 0	$ (1,100)	$ (600)	$ (800)	$ (1,800)	$ (1,200)	$ (300)	$ (800)	$ 0	$ (500)	$ 0	$ (300)	$ 300	$ 0	$ 700	$ (400)	$ 0	$ 0	$ 200	$ (500)	$ 200	$ 100