Condensed Consolidated Statements of Changes In Stockholders' Equity (USD $) In Thousands, except Share data		Total		Common Stock [Member]	Preferred Stock [Member]	Treasury Stock [Member]	Additional Paid In Capital [Member]	Accumulated Deficit (Retained Earnings) [Member]	Accumulated Other Comprehensive Income Of Continuing Operations [Member]	Accumulated Other Comprehensive Income Of Discontinued Operations [Member]
Balance at Dec. 31, 2009		$ 1,685,162		$ 694	$ 0	$ (150)	$ 1,296,391	$ 264,917	$ 82,994	$ 40,316
Balance, shares at Dec. 31, 2009				69,412,000		246,000
Cumulative effect of restatement on opening balance		0		0	0	0	0	(1,344)	1,344	0
Net loss for 2010		(138,073)		0	0	0	0	(138,073)	0	0
Foreign currency translation adjustment		(61,155)		0	0	0	0	0	(20,839)	(40,316)
Comprehensive loss for 2010		(199,228)		0	0	0	0	(139,417)	(19,495)	(40,316)
Common stock issued in connection with options		5,918		3	0	0	5,915	0	0	0
Common stock issued in connection with options, shares				263,000
Common stock issued in connection with acquisitions		41,344		11	0	0	41,333	0	0	0
Common stock issued in connection with acquisitions, shares				1,078,000
Balance at Dec. 31, 2010	[1]	1,533,196		708	0	(150)	1,343,639	125,500	63,499	0
Balance, shares at Dec. 31, 2010	[1]			70,753,000		246,000
Net loss for 2010		(854,102)	[1]	0	0	0	0	(854,102)	0	0
Foreign currency translation adjustment		(50,410)	[1]	0	0	0	0	0	(50,410)	0
Comprehensive loss for 2010		(904,512)		0	0	0	0	(854,102)	(50,410)	0
Common stock issued in connection with options		2,070		1	0	0	2,069	0	0	0
Common stock issued in connection with options, shares				89,000
Common stock issued in connection with acquisitions		23,175		19	0	0	23,156	0	0	0
Common stock issued in connection with acquisitions, shares				1,897,000
Balance at Sep. 30, 2011	[1]	$ 653,929		$ 728	$ 0	$ (150)	$ 1,368,864	$ (728,602)	$ 13,089	$ 0
Balance, shares at Sep. 30, 2011	[1]			72,739,000		246,000

[1] Restated