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ORGANIZATION AND BUSINESS: (Details) | 6 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | 3 Months Ended | 6 Months Ended
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Mar. 31, 2013 item | Mar. 31, 2013 Revenue concentration Geographic concentration Healthcare Delivery Solutions | Sep. 30, 2012 Revenue concentration Geographic concentration Healthcare Delivery Solutions | Mar. 31, 2013 Revenue concentration Geographic concentration Logistics and Technical Services | Sep. 30, 2012 Revenue concentration Geographic concentration Logistics and Technical Services | Mar. 31, 2013 Revenue concentration Geographic concentration Contingency/Staff Augmentation Maximum | Sep. 30, 2012 Revenue concentration Geographic concentration Contingency/Staff Augmentation Maximum | Mar. 31, 2013 Revenue concentration Department of Veterans Affairs Customer concentration | Mar. 31, 2012 Revenue concentration Department of Veterans Affairs Customer concentration | Mar. 31, 2013 Revenue concentration Department of Veterans Affairs Customer concentration
ORGANIZATION AND BUSINESS: |  |  |  |  |  |  |  |  |  |
Minimum period for which entity has provided professional services to the U.S. Government | 25 years |  |  |  |  |  |  |  |  |
Number of employees | 1,100 |  |  |  |  |  |  |  |  |
Minimum number of locations in which entity operates | 25 |  |  |  |  |  |  |  |  |
Number of integrated business areas of DLH Solutions | 3 |  |  |  |  |  |  |  |  |
ORGANIZATION AND BUSINESS |  |  |  |  |  |  |  |  |  |
Concentration risk percentage |  | 54.00% | 54.00% | 45.00% | 45.00% | 1.00% | 1.00% | 97.00% | 95.00% | 97.00%

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