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Commitments And Contingencies (Details) (USD $) In Thousands, unless otherwise specified |  |  | 12 Months Ended | 3 Months Ended |
--- | --- | --- | --- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 Ward Transformer Site [Member] respparties | Dec. 31, 2012 Surety [Member] | Sep. 30, 2013 Surety [Member]
Site Contingency [Line Items] |  |  |  |  |
Site Contingency, Number of Other Potentially Responsible Parties, commenced clean up work |  |  | 2 |  |
Accrued Insurance | $ 4,963 | $ 5,229 |  |  |
Reserve for construction defect liabilities | 520 |  |  |  |
Estimated cost of completion of bonded project | 49,149 |  |  |  |
Outstanding amount to collateralize our obligations | 999 |  |  |  |
Outstanding letters of credit was to collateralize vendors | 200 |  |  |  |
Settlement agreement with regard to collateral held by a surety |  |  |  |  | 2,000
Receipt of payments |  |  |  |  | 450
Total settlement to be paid in monthly installments |  |  |  |  | 2,200
ValuationAllowancesAndReservesChargedToCostAndExpense |  |  |  | 1,725 |
Outstanding letters of credit that were utilized as collateral | $ 6,147 |  |  |  |

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- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable to insurance entities to mitigate potential loss from various risks or to satisfy a promise to provide certain coverage's to employees. + 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 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph a -Article 7 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph 5 -Article 9 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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