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Accounts Payable and Accrued Expenses (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Sep. 30, 2013
Payables and Accruals [Abstract]    
Accounts payable $ 12,990 $ 13,758
Accrued compensation and benefits 17,963 16,858
Other accrued expenses 7,874 8,613
Accounts payable and accrued expenses, total $ 38,827 $ 39,229