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Acquisitions and Dispositions of Businesses - Additional Information (Details) - USD ($) $ in Thousands |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Apr. 22, 2016 | Dec. 15, 2015 | Jun. 25, 2016 | Dec. 26, 2015 | Sep. 24, 2016 | Sep. 26, 2015 | Sep. 27, 2014
Business Acquisition And Dispositions [Line Items] |  |  |  |  |  |  |
Business disposition, sales price | $ 26,000 |  |  |  |  |  |
Period over which the receivables are collected | 5 years |  |  |  |  |  |
Gain on sale of certain assets and operations |  |  | $ 9,769 |  | $ 9,769 | $ 0 | $ 0
Cash paid to acquire business |  |  |  |  | 42,945 | $ 6,500 | $ 0
Propane USA Distribution, LLC [Member] |  |  |  |  |  |  |
Business Acquisition And Dispositions [Line Items] |  |  |  |  |  |  |
Business acquisition, cost of acquired, cash paid |  | $ 45,000 |  |  | 0 |  |
Cash paid to acquire business |  |  |  | $ 41,250 | 42,945 |  |
Non-compete Agreements [Member] |  |  |  |  |  |  |
Business Acquisition And Dispositions [Line Items] |  |  |  |  |  |  |
Business disposition, sales price | $ 5,000 |  |  |  |  |  |
Non-compete Agreements [Member] | Propane USA Distribution, LLC [Member] |  |  |  |  |  |  |
Business Acquisition And Dispositions [Line Items] |  |  |  |  |  |  |
Business acquisition, cost of acquired, cash paid |  | $ 3,000 |  |  | $ 0 |  |

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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
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