Consolidated Statements of Equity and Comprehensive Income (Loss) (USD $) In Thousands	Total	Preferred Stock	Common Stock	Capital in Excess of Par Value	Accumulated Other Comprehensive Income	Retained Earnings	Total Comprehensive Income	Noncontrolling Interests
Balance at Dec. 31, 2008	$ 4,425,181	$ 298,066	$ 642	$ 3,090,292	$ 17,554	$ 1,015,554	$ 0	$ 3,073
Net income (loss)	(368,743)					(354,479)	(354,479)	(14,264)
Currency translation adjustment	10,304				10,906		10,906	(602)
Total comprehensive loss	(358,439)						(343,573)	(14,866)
Exercise of stock options	51			51
Tax shortfall from stock-based compensation	(4,965)			(4,965)
Stock-based compensation	49,054			49,054
Exercise of warrants		(63,459)	18	63,441
Deemed contribution from Principal Stockholder	519			519
Contribution from noncontrolling interest	3,016,428			1,916,459	(1,712)			1,101,681
Dividends declared, net of amounts previously accrued	(87,843)					(87,843)
Accumulated but undeclared dividend requirement on preferred stock issued to Principal Stockholder's family	(6,854)					(6,854)
Accretion to redemption value of preferred stock issued to Principal Stockholder's family	(92,545)					(92,545)
Balance at Dec. 31, 2009	6,940,587	234,607	660	5,114,851	26,748	473,833	0	1,089,888
Net income (loss)	781,603					599,394	599,394	182,209
Currency translation adjustment	98,518				102,771		102,771	(4,253)
Total comprehensive loss	880,121						702,165	177,956
Exercise of stock options	16,455		2	16,453
Tax shortfall from stock-based compensation	(195)			(195)
Stock-based compensation	60,818			58,120				2,698
Exercise of warrants		(27,251)	46	252,719
Deemed contribution from Principal Stockholder	412			412
Acquisition of remaining shares of noncontrolling interest	0			2,345				(2,345)
Dividends declared, net of amounts previously accrued	(86,546)					(86,546)
Accumulated but undeclared dividend requirement on preferred stock issued to Principal Stockholder's family	(6,854)					(6,854)
Accretion to redemption value of preferred stock issued to Principal Stockholder's family	(92,545)					(92,545)
Payments of Preferred stock inducement premium	(6,579)					(6,579)
Balance at Dec. 31, 2010	7,931,188	207,356	708	5,444,705	129,519	880,703	0	1,268,197
Net income (loss)	1,883,119					1,560,123	1,560,123	322,996
Currency translation adjustment	(32,793)				(35,415)		(35,415)	2,622
Total comprehensive loss	1,850,326						1,524,708	325,618
Exercise of stock options	25,505		2	24,223				1,280
Stock-based compensation	63,290			60,363				2,927
Issuance of restricted stock	0		1	(1)
Exercise of warrants	12,512	(68,380)	22	80,870
Repurchase and redemption of preferred stock	(267,821)	(138,976)				(128,845)
Contribution from noncontrolling interest	829							829
Distributions to noncontrolling interests	(10,388)							(10,388)
Dividends declared, net of amounts previously accrued	(68,443)					(68,443)
Accretion to redemption value of preferred stock issued to Principal Stockholder's family	(80,975)					(80,975)
Payments of Preferred stock inducement premium	(16,871)					(16,871)
Balance at Dec. 31, 2011	$ 9,439,152	$ 0	$ 733	$ 5,610,160	$ 94,104	$ 2,145,692	$ 0	$ 1,588,463