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Commitments And Contingencies (Details) (USD $) In Thousands, unless otherwise specified | 9 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 Ward Transformer Site [Member] respparties | Jun. 30, 2013 TekWorks [Member] respparties | Jun. 30, 2013 Surety [Member] | Dec. 31, 2012 Surety [Member] | Jun. 24, 2013 Surety [Member] | Apr. 30, 2012 Surety [Member]
Site Contingency [Line Items] |  |  |  |  |  |  |  |
Site Contingency, Number of Other Potentially Responsible Parties, commenced clean up work |  |  | 4 |  |  |  |  |
Loss Contingency, Number of Defendants |  |  | 50 | 8 |  |  |  |
Accrued Insurance | $ 3,858 |  |  |  |  |  |  |
Reserve for construction defect liabilities | 543 |  |  |  |  |  |  |
Estimated cost of completion of bonded project | 49,522 |  |  |  |  |  |  |
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 |  |  |
Loss Contingency, Settlement Agreement, Consideration |  |  |  |  | 2,200 |  |  |
Receipt of payments |  |  |  |  |  |  | 300 | 175
Outstanding receivable balance |  |  |  |  |  | 0 |  |
Loss Contingency, Settlement Agreement, Date |  |  |  |  | 08/07/2012 |  |  |
Total settlement to be paid in monthly installments |  |  |  |  | 2,200 |  |  |
Accrued Liability Related To Legal Settlements | 1,425 | 0 |  |  |  |  |  |
Loss Contingency, Settlement Agreement, Terms |  |  |  |  | . On April 17, 2013, the Company filed the necessary documents to domesticate the agreed judgment against the surety in Virginia. Following these two actions, the surety proposed a new payment agreement. After negotiations, the Company entered an amended agreement with all defendants in exchange for payment of $300, which was received on June 24, 2013. The amended agreement provides for additional monthly installments, with final payment due June 30, 2014. |  |  |
ValuationAllowancesAndReservesChargedToCostAndExpense |  |  |  |  |  | 1,725 |  |
Outstanding letters of credit that were utilized as collateral | $ 6,852 |  |  |  |  |  |  |

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