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Long-Term Debt (Schedule of Outstanding Debt) (Details) (USD $)
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12 Months Ended | |
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Sep. 30, 2014
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Sep. 30, 2013
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| Debt Instrument [Line Items] | ||
| Principal balance outstanding | $ 34,000,000 | $ 36,000,000 |
| Remaining available credit | 60,000,000 | 60,000,000 |
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Revolving Line of Credit [Member]
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| Debt Instrument [Line Items] | ||
| Principal balance outstanding | ||
| Remaining available credit | 60,000,000 | 60,000,000 |
| Effective interest rate | 2.10% | 2.43% |
| Scheduled maturity date | Oct. 01, 2020 | Oct. 01, 2020 |
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Term Loan [Member]
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| Debt Instrument [Line Items] | ||
| Principal balance outstanding | 34,000,000 | 36,000,000 |
| Remaining available credit | ||
| Effective interest rate | 2.40% | 2.68% |
| Scheduled maturity date | Oct. 01, 2020 | Oct. 01, 2020 |
| X | ||||||||||
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- Definition
Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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