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Investments in and Acquisitions and Dispositions of Businesses - Additional Information (Details) - USD ($) $ in Thousands |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Mar. 09, 2022 | Feb. 17, 2022 | Mar. 26, 2022 | Dec. 25, 2021 | Jun. 25, 2022 | Jun. 26, 2021
Business Acquisition [Line Items] |  |  |  |  |  |
Investment plus direct transaction costs |  |  |  |  | $ 36,366 | $ 8,316
Proceeds from sale of business |  |  |  |  | $ 850 | $ 0
Propane And Propane Retailer [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Proceeds from sale of business |  | $ 850 |  |  |  |
Gain on sale of assets |  |  | $ 363 |  |  |
Asset acquired |  |  |  | $ 500 |  |
Suburban Renewables |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Investment plus direct transaction costs | $ 30,000 |  |  |  |  |
Percentage of equity interest | 25.00% |  |  |  |  |
Oberon |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Percentage of equity interest |  |  |  |  | 38.00% |

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- Definition Amount of consideration transferred in asset acquisition. Includes, but is not limited to, cash, liability incurred by acquirer, and equity interest issued by acquirer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 30 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126928898&loc=d3e9215-128498 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 55 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6829253&loc=SL6831962-166255 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 25 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=127000608&loc=d3e9135-128495 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 30 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=126928898&loc=d3e9212-128498 + Details
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