COMPANY INQUIRY AND RESTATEMENT (Details 4) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2010		Dec. 31, 2009
Cumulative adjustment to retained earnings as of December 31, 2009	$ (538,691)	[1]	$ (538,691)
Retained earnings at December 31, 2009, as restated			1,927,258
Scenario, Previously Reported [Member]
Retained earnings at December 31, 2009, as restated			2,465,949
Adjustment On 2000 [Member]
Cumulative adjustment to retained earnings as of December 31, 2009			(122,500)
Adjustment On 2001 [Member]
Cumulative adjustment to retained earnings as of December 31, 2009			(36,364)
Adjustment On 2002 [Member]
Cumulative adjustment to retained earnings as of December 31, 2009			12,919
Adjustment On 2003 [Member]
Cumulative adjustment to retained earnings as of December 31, 2009			(23,405)
Adjustment On 2004 [Member]
Cumulative adjustment to retained earnings as of December 31, 2009			(7,317)
Adjustment On 2005 [Member]
Cumulative adjustment to retained earnings as of December 31, 2009			(18,342)
Adjustment On 2006 [Member]
Cumulative adjustment to retained earnings as of December 31, 2009			(337,404)
Adjustment On 2007 [Member]
Cumulative adjustment to retained earnings as of December 31, 2009			(46,193)
Adjustment On 2008 [Member]
Cumulative adjustment to retained earnings as of December 31, 2009			43,130
Adjustment On 2009 [Member]
Cumulative adjustment to retained earnings as of December 31, 2009			$ (3,215)

[1] See Note 2, “Company Inquiry and Restatement,” to the accompanying financial statements for details