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Summary Of Significant Accounting (Details) (USD $) | 12 Months Ended | 0 Months Ended | 1 Months Ended |  |  | 12 Months Ended
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Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2013 Insurance-related Assessments [Member] | Sep. 30, 2012 Insurance-related Assessments [Member] | Feb. 28, 2010 Construction Project [Member] | Mar. 31, 2009 Construction Project [Member] | Feb. 28, 2011 Construction Project [Member] | Mar. 31, 2010 Construction Project [Member] | Sep. 30, 2012 Commercial Real Estate [Member] | Sep. 30, 2011 Commercial Real Estate [Member] | Sep. 30, 2011 Internally Developed Software [Member] | Sep. 30, 2011 Enertech Investment [Member] | Sep. 30, 2011 Goodwill [Member]
Summary Of Significant Accounting Policies [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expense of debt issuance costs | $ 522 | $ 568 | $ 338 |  |  |  |  |  |  |  |  |  |  |
Unamortized Debt Issuance Expense | 1,449 | 1,139 |  |  |  |  |  |  |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Impairment of Real Estate | 200 |  |  |  |  |  |  |  |  | 688 | 143 |  |  |
Impairment of Long-Lived Assets to be Disposed of |  |  |  |  |  |  |  |  |  |  |  | 3,551 |  |
Other Asset Impairment Charges |  |  |  |  |  |  |  |  |  |  |  |  | 968 |
Goodwill, Impairment Loss |  |  |  |  |  |  |  |  |  |  |  |  |  | 142
Increase (Decrease) in Long-term Receivables, Current |  |  |  |  |  |  | 3,992 |  |  |  |  |  |  |
Allowance for Doubtful Accounts Receivable, Noncurrent | 0 | 0 |  |  |  |  |  | 278 | 3,714 |  |  |  |  |
Litigation Settlement, Gross |  |  |  |  |  | 2,850 |  |  |  |  |  |  |  |
Loss Contingency, Undiscounted Amount of Insurance-related Assessment Liability | 5,306 |  |  | 5,306 | 6,864 |  |  |  |  |  |  |  |  |
Loss Contingency, Discounted Amount of Insurance-related Assessment Liability |  |  |  | $ 4,963 | $ 5,228 |  |  |  |  |  |  |  |  |
LossContingencyAccrualInsuranceRelatedAssessmentDiscountRate |  |  |  | 1.40% | 0.60% |  |  |  |  |  |  |  |  |

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- Definition A valuation allowance for receivables due to an Entity for more than one year from the balance sheet date that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 4 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5074-111524 + Details
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 + Details
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- Definition The rate applied as of the balance sheet date to reduce the undiscounted amount of a guarantee fund and other insurance-related assessments to present value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 405 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6392405&loc=d3e24119-109301 + Details
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- Definition The present value of the liability as of the balance sheet date representing required funding mandated by statute or regulatory authority that is related directly or indirectly to underwriting activities, including pools for self-insurance and excluding premium taxes and income taxes. The funds derived from the assessments generally enable a government guarantor to pay insurance claims in the event that the underwriting insurer is insolvent or otherwise unable to meet its payment obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 405 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6392405&loc=d3e24119-109301 + Details
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