Supporting Financial Information - Accounts Receivable (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended		12 Months Ended
	Jun. 30, 2015	Mar. 31, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Sep. 30, 2008	Sep. 30, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total accounts receivable	$ 3,079			$ 3,079			$ 12,372
Less: Allowance for doubtful accounts	0			0			0
Accounts Receivable, Net	3,079			3,079			12,372
Revenue	16,781		$ 15,692	48,357	$ 44,914
Reduction of accrued payroll related to retroactive wage and benefit payments				8,677	0
Settlement of retroactive payment claim, net				629	$ 0
Billed Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total accounts receivable	2,523			2,523			2,569
Unbilled Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total accounts receivable	556			556			9,803
DVA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Contract revenue nonrecurring						$ 10,800
Department of Labor | Unfavorable Regulatory Action
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loss Contingency Accrual, Provision						$ 10,100
Employee-related Liabilities, Accrued Payroll Attributable to Retroactive Payment Cases	0			0			8,677
Reduction of accrued payroll related to retroactive wage and benefit payments		$ 8,700
Settlement of retroactive payment claim, net				629
Department of Labor | Unfavorable Regulatory Action | Unbilled Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total accounts receivable	0	$ 9,306		0
Accrued Income Receivable | Unbilled Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total accounts receivable	$ 556			$ 556			$ 497