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Consolidated Statements Of Operations (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Consolidated Statements Of Operations [Abstract]
Income tax provision (benefit) related to associated companies	$ (19,595)	$ 139,369
Income tax provision (benefit) related to discontinued operations	(65)	(37)
Income tax provision (benefit) related to loss on disposal of discontinued operations	$ (175)	$ 0

Income tax expense or benefit attributable to Income or Loss from discontinued operations during the phase-out period.

Amount of tax expense or benefit on gain (loss), not previously recognized, resulting from the sale of a business component.