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Segment Information (Operations By Lines Of Business) (Details) - USD ($) | 12 Months Ended
--- | ---
Sep. 25, 2021 | Sep. 26, 2020 | Sep. 28, 2019
Segment Reporting Information By Segment [Line Items] |  |  |
Total revenues from unaffiliated customers | $ 4,987,919,603 | $ 4,610,609,025 | $ 4,202,033,610
Total income from operations | 350,057,605 | 280,937,086 | 152,193,135
Other income, net | 2,971,629 | 1,737,596 | 1,814,971
Interest expense | 24,332,143 | 40,529,096 | 47,410,104
Loss on early extinguishment of debt | 1,082,633 | 7,101,153 |
Income before income taxes | 327,614,458 | 235,044,433 | 106,598,002
Total assets | 2,018,343,955 | 1,899,298,902 | 1,867,328,000
Total capital expenditures | 140,597,162 | 122,767,178 | 161,751,023
Depreciation and amortization expense | 117,103,658 | 116,282,239 | 112,520,100
Elimination of intercompany receivable [Member] |  |  |
Segment Reporting Information By Segment [Line Items] |  |  |
Total assets | (2,578,000) | (2,511,000) | (2,296,000)
Grocery [Member] |  |  |
Segment Reporting Information By Segment [Line Items] |  |  |
Total revenues from unaffiliated customers | 1,762,872,000 | 1,693,961,000 | 1,443,394,000
Non-foods [Member] |  |  |
Segment Reporting Information By Segment [Line Items] |  |  |
Total revenues from unaffiliated customers | 1,136,250,000 | 1,066,939,000 | 936,173,000
Perishables [Member] |  |  |
Segment Reporting Information By Segment [Line Items] |  |  |
Total revenues from unaffiliated customers | 1,349,081,000 | 1,261,537,000 | 1,110,684,000
Gasoline [Member] |  |  |
Segment Reporting Information By Segment [Line Items] |  |  |
Total revenues from unaffiliated customers | 583,749,000 | 459,639,000 | 581,146,000
Retail Segment [Member] |  |  |
Segment Reporting Information By Segment [Line Items] |  |  |
Total revenues from unaffiliated customers | 4,831,952,000 | 4,482,076,000 | 4,071,397,000
Total income from operations | 327,563,000 | 264,388,000 | 135,395,000
Total assets | 1,794,160,000 | 1,712,203,000 | 1,698,904,000
Total capital expenditures | 138,005,000 | 120,605,000 | 155,215,000
Depreciation and amortization expense | 108,745,000 | 108,588,000 | 104,970,000
Other Segment [Member] |  |  |
Segment Reporting Information By Segment [Line Items] |  |  |
Total revenues from unaffiliated customers | 155,968,000 | 128,533,000 | 130,637,000
Total income from operations | 22,495,000 | 16,549,000 | 16,798,000
Total assets | 226,762,000 | 189,607,000 | 170,720,000
Total capital expenditures | 2,592,000 | 2,162,000 | 6,536,000
Depreciation and amortization expense | $ 8,359,000 | $ 7,694,000 | $ 7,550,000

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