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Acquisition of Inergy Propane (Details) (Inergy Propane [Member], USD $) In Thousands, except Per Share data, unless otherwise specified | 0 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Aug. 01, 2012 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Sep. 29, 2012 | Jun. 23, 2012 | Jun. 29, 2013 | Jun. 23, 2012
Inergy Propane [Member] |  |  |  |  |  |  |  |
Assets acquired [Abstract] |  |  |  |  |  |  |  |
Cash and cash equivalents | $ 7,964 |  |  |  |  |  |  |
Accounts receivable | 36,076 |  |  |  |  |  |  |
Inventories | 30,457 |  |  |  |  |  |  |
Other current assets | 2,067 |  |  |  |  |  |  |
Current assets acquired | 76,564 |  |  |  |  |  |  |
Property, plant & equipment | 617,854 |  |  |  |  |  |  |
Customer relationships | 445,500 |  |  |  |  |  |  |
Non-compete agreements | 23,059 |  |  |  |  |  |  |
Other intangible assets | 1,983 |  |  |  |  |  |  |
Goodwill | 809,778 |  |  |  |  |  |  |
Other assets | 2,151 |  |  |  |  |  |  |
Total assets acquired | 1,976,889 |  |  |  |  |  |  |
Liabilities assumed [Abstract] |  |  |  |  |  |  |  |
Accounts payable | 16 |  |  |  |  |  |  |
Accrued employment and benefit costs | 2,149 |  |  |  |  |  |  |
Customer deposits and advances | 48,469 |  |  |  |  |  |  |
Other current liabilities | 18,613 |  |  |  |  |  |  |
Other noncurrent liabilities | 16,727 |  |  |  |  |  |  |
Total liabilities assumed | 85,974 |  |  |  |  |  |  |
Total | 1,890,915 |  |  |  |  |  |  |
Estimated property, plant and equipment decreased | (33,302) |  |  |  |  |  |  |
Estimated intangible assets (principally customer relationships) increased | 39,583 |  |  |  |  |  |  |
Estimated other current assets decreased | (765) |  |  |  |  |  |  |
Estimated other noncurrent liabilities decreased | (646) |  |  |  |  |  |  |
Net effect of adjustments | (4,870) |  |  |  |  |  |  |
Depreciation, Depletion and Amortization [Abstract] |  |  |  |  |  |  |  |
Depreciation expense |  |  | (340) | (305) | (205) |  |  |
Amortization expense |  |  | 2,008 | 2,473 | 1,449 |  |  |
Total depreciation & amortization expense |  |  | 1,668 | 2,168 | 1,244 |  |  |
Unaudited pro forma combined financial information [Abstract] |  |  |  |  |  |  |  |
Revenues |  | 290,805 |  |  |  | 307,679 | 1,459,934 | 1,582,831
Net (loss) income |  | $ (45,188) |  |  |  | $ (37,312) | $ 141,917 | $ 66,615
(Loss) income per Common Unit |  |  |  |  |  |  |  |
Basic (in dollars per unit) |  | $ (0.77) |  |  |  | $ (0.66) | $ 2.46 | $ 1.19
Diluted (in dollars per unit) |  | $ (0.77) |  |  |  | $ (0.66) | $ 2.45 | $ 1.18

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