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Partnership Organization and Formation (Details) | 12 Months Ended |  |
--- | --- | --- | ---
Sep. 24, 2011 | Mar. 24, 2012 | Sep. 25, 2010
Common units outstanding (in units) | 35,428,855 | 35,500,806 | 35,318,000
Owned subsidiary of the Partnership (in hundredths) | 100.00% |  |
Number of residential, commercial, industrial and agricultural customers | 750,000 |  |
Number of locations served by the partnership | 300 |  |
Number of states in which the partnership operates | 30 |  |
Minimum disclosure threshold percentage of revenues by customer (in hundredths) | 10.00% |  |
General Partner [Member] | Common Unitholders [Member] |  |  |
Common units outstanding (in units) | 784 | 784 |

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- Definition The number of limited partner units outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB TOPIC 4.F) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187171-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section F Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. + Details
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