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Business (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended 9 Months Ended 0 Months Ended
Jun. 30, 2012
numberoffacilities
Jun. 30, 2011
Jun. 30, 2012
numberoffacilities
Jun. 30, 2011
Sep. 30, 2011
Jun. 30, 2012
Tontine Associate [Member]
Dec. 10, 2010
Sale of Non-Strategic Manufacturing Facility
Feb. 28, 2011
Non- Core Electrical Distribution Facility
Jun. 30, 2012
Enertech Capital Partners II L.P.
Business [Abstract]                  
Number of locations 61   61            
Business Transactions [Line Items]                  
Sale price of facility             $ 10,086 $ 6,676  
Gain on sale of facility             6,763    
Lease inception date           Apr. 01, 2012      
Lease expiration date           Mar. 31, 2014      
Monthly Lease Payments           6      
Revenues 119,300 122,714 347,401 350,851   1,098      
Senior subordinated loan Tontine Term Loan 11,168   11,168   10,498 10,000      
Fair value of the Tontine Term Loan           10,359      
Fair value of our investment in EnerTech $ 919   $ 919   $ 1,003       $ 983