Discontinued Operations (Schedule Of Discontinued Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Discontinued Operations [Abstract]
Net revenue before the provision for doubtful accounts			$ 7,316	$ 13,603
Provision for doubtful accounts			(2,139)	(2,741)
Net revenue			5,177	10,862
Salaries and benefits	192		4,587	4,535
Depreciation and amortization			1,988	1,182
Other operating expenses	889	203	5,791	3,766
Gains (losses) on sales of assets, net		(619)	1,102	(304)
Long-lived asset and goodwill impairment charges	1,187		1,187	3,614
Total operating expenses and other	2,268	(416)	14,655	12,793
Income (loss) before income taxes	(2,268)	416	(9,478)	(1,931)
Income tax (expense) benefit	879	(161)	3,673	749
Income (loss) from discontinued operations	$ (1,389)	$ 255	$ (5,805)	$ (1,182)