Annual report pursuant to Section 13 and 15(d)

Concentrations of Credit Risk and Major Customers (Details)

v2.3.0.15
Concentrations of Credit Risk and Major Customers (Details)
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2009
Health Services | State of Texas
     
Concentrations of Credit Risk and Major Customers      
Revenue from major customers (as a percent) 16.00% 16.00% 18.00%
Health Services | State of California
     
Concentrations of Credit Risk and Major Customers      
Revenue from major customers (as a percent) 11.00% 12.00% 11.00%
Human Services | Government of Australia
     
Concentrations of Credit Risk and Major Customers      
Revenue from major customers (as a percent) 19.00% 16.00% 8.00%