General (Details)	9 Months Ended		1 Months Ended
	Sep. 30, 2011 Y D contract customer segment	Sep. 30, 2011 Managed Behavioral Healthcare segment	Aug. 31, 2007 Managed Behavioral Healthcare Maricopa County Regional Behavioral Health Authority Y facility
Business segments
Number of Business segments	6	2
Number of behavioral health direct care facilities			24
Divestment period for direct care facilities (in years)			2