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Business (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended |  | 9 Months Ended | 0 Months Ended |
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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

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- Definition Represents the sum of the carrying value of all the Assets Held-for-Sale at the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 47 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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