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DEBT: (Details) | 12 Months Ended
--- | ---
Sep. 30, 2015 USD ($) $ / shares | Sep. 30, 2014 USD ($)
Revolving credit facility |  |
Revolving portion of the facility | $ 20,902,207 | $ 15,081,783
Interest rate (as a percent) | 2.20% |
Facility |  |
Revolving credit facility |  |
Revolving credit limit | $ 70,000,000 |
Increase in borrowing capacity available under loan accordion | 25,000,000 |
Additional credit advances for certain inventory purchases | $ 10,000,000 |
Automatic renewal period of agreement unless terminated | 1 year |
Unused commitment fee (as a percent) | 0.25% |
Period considered for computing fixed charge coverage ratio | 12 months |
Threshold of excess availability of credit as a percentage of maximum loan limit, required for financial covenant compliance | 10.00% |
Borrowings on the facility | $ 1,300,000,000 | 1,300,000,000
Payments on the facility | 1,300,000,000 | 1,300,000,000
Net advances | $ 5,800,000 | $ 200,000
Facility | LIBOR |  |
Revolving credit facility |  |
Variable rate basis | LIBOR |
Facility | Prime rate |  |
Revolving credit facility |  |
Variable rate basis | Prime rate |
Facility | Minimum |  |
Revolving credit facility |  |
Notice period prior to the end of any original or renewal term of the agreement required for terminating the agreement either by the borrower or lender | 90 days |
Fixed charge coverage ratio | 1.0 |
Fixed charge coverage ratio required to be maintained immediately after giving effect to any such dividend or distribution payments | 1.10 |
Facility | Minimum | LIBOR |  |
Revolving credit facility |  |
Basis points added to reference rate (as a percent) | 1.25% |
Facility | Maximum |  |
Revolving credit facility |  |
Restricted amount of dividends on common stock (in dollars per share) | $ / shares | $ 1.00 |
Facility | Maximum | LIBOR |  |
Revolving credit facility |  |
Basis points added to reference rate (as a percent) | 1.75% |

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- Definition Represents the automatic renewal period of line of credit facility unless terminated by either the borrower or lender. + References No definition available. + Details
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- Definition Represents fixed charge coverage ratio required to be maintained immediately after giving effect to any such dividend or distribution payments. + References No definition available. + Details
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- Definition Represents the restricted amount of dividends on common stock. + References No definition available. + Details
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- Definition Represents the threshold of excess availability of credit expressed as a percentage of maximum loan limit, as it relates to requiring a fixed charge ratio. + References No definition available. + Details
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- Definition Represents fixed charge coverage ratio required to be maintained during any previous twelve month period if excess capacity falls below a defined threshold per the terms of the credit agreement. + References No definition available. + Details
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- Definition Increase in borrowing capacity available under the credit facility attributable to the accordion feature. + References No definition available. + Details
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- Definition Represents the period of time prior to the end of the original term of the agreement or the end of any renewal period in which either the borrower or lender may terminate the line of credit facility. + References No definition available. + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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