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Commitments And Contingencies (Details) (USD $)
 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