Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Sep. 30, 2011
Performance of operating segments
Net revenue	$ 285,348	$ 269,701	$ 838,610	$ 799,143
Income (loss) from operations	12,695	8,506	34,473	30,395
Total assets	1,043,551		1,043,551		1,010,850
Depreciation and amortization	15,393	16,518	45,657	45,948
Purchases of property and equipment	7,535	5,439	21,714	14,633
Income (loss) from continuing operations before income taxes	(7,546)	(11,392)	(25,390)	(27,528)
Human Services [Member]
Performance of operating segments
Net revenue	238,340	225,919	701,880	668,793
Income (loss) from operations	20,550	19,727	59,247	62,608
Total assets	785,422		785,422
Depreciation and amortization	11,050	12,442	32,789	33,520
Purchases of property and equipment	4,324	3,157	12,657	8,369
Income (loss) from continuing operations before income taxes	3,679	3,069	8,593	20,083
Post Acute Specialty Rehabilitation Services [Member]
Performance of operating segments
Net revenue	47,008	43,782	136,730	130,350
Income (loss) from operations	5,699	4,878	14,814	14,123
Total assets	175,644		175,644
Depreciation and amortization	3,644	3,134	10,697	9,215
Purchases of property and equipment	2,949	1,969	7,321	4,680
Income (loss) from continuing operations before income taxes	2,521	1,755	5,498	6,174
Corporate [Member]
Performance of operating segments
Net revenue
Income (loss) from operations	(13,554)	(16,099)	(39,588)	(46,336)
Total assets	82,485		82,485
Depreciation and amortization	699	942	2,171	3,213
Purchases of property and equipment	262	313	1,736	1,584
Income (loss) from continuing operations before income taxes	$ (13,746)	$ (16,216)	$ (39,481)	$ (53,785)