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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
	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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Number of persons employed by the Entity

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Represents the number of integrated business areas of the entity.

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- Definition

Represents the period for which the entity has provided professional services to U.S. Government.

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Represents the minimum number of locations the entity operates in as of the balance sheet date.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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-Publisher FASB

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