CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Income Statement [Abstract]
Total net revenues	$ 457,142	$ 470,575	$ 915,635	$ 936,883
Costs and expenses:
Operating salaries and benefits	259,506	263,461	520,595	525,943
Self-insurance for workers' compensation and general and professional liability insurance	13,190	14,541	28,507	29,098
Operating administrative expenses	11,703	13,305	24,110	26,372
Other operating costs	95,429	92,159	191,995	183,294
Center rent expense	36,522	35,750	72,899	71,442
General and administrative expenses	16,048	14,952	32,089	30,331
Depreciation and amortization	8,504	7,629	16,934	15,077
Provision for losses on accounts receivable	5,099	4,418	9,908	9,595
Interest, net of interest income of $67, $82, $135, and $140, respectively	4,429	4,854	8,839	9,853
Transaction costs	1,838	0	1,838	0
Restructuring costs	0	167	0	303
Total costs and expenses	452,268	451,236	907,714	901,308
Income before income taxes and discontinued operations	4,874	19,339	7,921	35,575
Income tax expense	1,901	7,894	3,089	14,512
Income from continuing operations	2,973	11,445	4,832	21,063
Discontinued operations:
Loss from discontinued operations, net	(3,953)	(1,499)	(5,599)	(3,005)
Net (loss) income	(980)	9,946	(767)	18,058
(Loss) gain from cash flow hedge, net of related tax (benefit) expense of $53, $434, ($100), and $412, respectively	(79)	(651)	(761)	402
Other comprehensive (loss) income, net of tax	(79)	(651)	(761)	402
Comprehensive (loss) income	$ (1,059)	$ 9,295	$ (1,528)	$ 18,460
Basic earnings per common and common equivalent share:
Income from continuing operations	$ 0.11	$ 0.44	$ 0.18	$ 0.81
Loss from discontinued operations, net	$ (0.15)	$ (0.06)	$ (0.21)	$ (0.11)
Net (loss) income	$ (0.04)	$ 0.38	$ (0.03)	$ 0.70
Diluted earnings per common and common equivalent share:
Income from continuing operations	$ 0.11	$ 0.44	$ 0.18	$ 0.81
Loss from discontinued operations, net	$ (0.15)	$ (0.06)	$ (0.21)	$ (0.11)
Net (loss) income	$ (0.04)	$ 0.38	$ (0.03)	$ 0.70
Weighted average number of common and common equivalent shares outstanding:
Basic	27,039	26,146	26,542	25,899
Diluted	27,039	26,187	26,542	25,967