COMMITMENTS AND CONTINGENCIES: (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended				12 Months Ended
	Sep. 30, 2008	Sep. 30, 2008 Department of Veterans Affairs	Sep. 30, 2013 Department of Veterans Affairs	Sep. 30, 2012 Department of Veterans Affairs	Sep. 30, 2013 Maximum Department of Veterans Affairs	Sep. 30, 2013 Minimum Department of Veterans Affairs
COMMITMENTS AND CONTINGENCIES
Contract revenue, nonrecurring	$ 10.8	$ 10.8
Direct costs related to nonrecurring contract revenue	10.1	10.1
Accounts receivable			9.3	9.3
Accrued Salaries			8.7
Estimated additional indirect costs and fees associated with contract modification pending final approval					$ 0.6	$ 0.4