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Supporting Financial Information - Accrued Payroll (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Sep. 30, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accrued current payroll $ 2,440 $ 2,302
Accrued payroll 11,465 11,138
Unbilled Receivables
   
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accrued current payroll $ 9,025 $ 8,836