Quarterly report pursuant to sections 13 or 15(d)

Long-Term Debt (Schedule of Outstanding Debt) (Details)

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Long-Term Debt (Schedule of Outstanding Debt) (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended 12 Months Ended
Mar. 31, 2014
Sep. 30, 2013
Debt Instrument [Line Items]    
Principal balance outstanding $ 35,000 $ 36,000
Remaining available credit 60,000 60,000
Revolving Line of Credit [Member]
   
Debt Instrument [Line Items]    
Principal balance outstanding      
Remaining available credit 60,000 60,000
Effective interest rate 2.40% 2.43%
Scheduled maturity date Oct. 01, 2020 Oct. 01, 2020
Term Loan [Member]
   
Debt Instrument [Line Items]    
Principal balance outstanding 35,000 36,000
Remaining available credit      
Effective interest rate 2.65% 2.68%
Scheduled maturity date Oct. 01, 2020 Oct. 01, 2020