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Supplemental Cash Flow Information - Additional Information
9 Months Ended
Jul. 02, 2021
USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]  
Income (Loss) from Equity Method Investments $ (287,000)
Unpaid amounts related to purchase of assets 7,065,000
Capitalized Costs, Uncompleted Wells, Equipment and Facilities $ 6,600,000