Income Taxes (Tables)

6 Months Ended

Jun. 30, 2012

Income Taxes [Abstract]

Summary of income tax benefit (provision)

	Three Months Ended June 30,						Six Months Ended June 30,
	2012			2011			2012			2011
Total current income tax provision	$	(1,582	)	$	(6,942	)	$	(2,179	)	$	(5,353	)
Total deferred income tax provision		(888	)		(13,477	)		(6,873	)		(30,429	)
Total income tax provision		(2,470	)		(20,419	)		(9,052	)		(35,782	)
Income tax provision included in income from discontinued operations		(8,233	)		(10,965	)		(11,593	)		(23,831	)
Income tax benefit (provision) on income from continuing operations	$	5,763		$	(9,454	)	$	2,541		$	(11,951	)

Summary of uncertain tax positions included in income tax provision

	Three Months Ended June 30,						Six Months Ended June 30,
	2012			2011			2012			2011
Current provision for UTPs	$	(1,375	)	$	(5,123	)	$	(1,913	)	$	(2,479	)
Deferred benefit for UTPs		260			3,578			438			4,267
Total income tax (provision) benefit for UTPs		(1,115	)		(1,545	)		(1,475	)		1,788
(Provision) benefit for UTPs included in income from discontinued operations		(354	)		(620	)		(2,117	)		893
(Provision) benefit for UTPs on income from continuing operations	$	(761	)	$	(925	)	$	642		$	895

Summary Of Changes To Company's Liabilities For UTPs

	Six Months Ended June 30,
	2012			2011
Liabilities for UTPs:
Opening balance — January 1	$	139,916		$	122,857
Current provision (benefit) for:
Unrecognized tax benefits		(115	)		2,722
Potential additional interest		3,094			2,803
Potential additional penalties		6			1,153
Statute expirations		(1,072	)		(942	)
Tax settlements		—			(3,257	)
Ending balance — June 30	$	141,829		$	125,336