Goodwill and Other Intangibles (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended		3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012 U.S. Operations	Sep. 30, 2012 U.S. Operations	Sep. 30, 2012 European Operations	Sep. 30, 2012 European Operations	Sep. 30, 2012 Asia Pacific Operations	Sep. 30, 2012 Asia Pacific Operations
Goodwill
Balance at the beginning of the period	$ 274,292			$ 245,105		$ 28,486		$ 701
Impairment losses	(274,285)	(225,035)	(245,100)	(245,103)	(28,500)	(28,481)	(700)	(701)
Currency translation adjustment	$ (7)			$ (2)		$ (5)