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SHAREHOLDERS' EQUITY AND EMPLOYEE BENEFIT PLANS (Narrative) (Details) shares in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2017 USD ($) shares | Sep. 30, 2017 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Description Of Maximum Percentage Of Employee Contributions and Matching Contributions Based Upon Years Of Service |  | employee contributions and matching Company contributions from 4% to 6%
Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Offering Date |  | 100.00%
Relative Total Shareholder Return Average Stock Price Calculation Period |  | 90 days
Total Shareholder Return Award Performance Measurement Period |  | 3 years
Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options |  | $ 500,000
Grant To Non Employee Director | $ 32,500 | $ 120,000
Minimum [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Defined Contribution Plan, Employer Matching Contribution, Percent |  | 4.00%
Share Based Compensation Arrangement By Share Based Payment Award Vesting Percentage | 0.00% | 0.00%
Maximum [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Defined Contribution Plan, Employer Matching Contribution, Percent |  | 6.00%
Share Based Compensation Arrangement By Share Based Payment Award Vesting Percentage | 200.00% | 200.00%
Equity Incentive Plan 2009 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant | shares | 5.1 | 5.1

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- Definition Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Discount rate from fair value on offering date that participants pay for shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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