Segment Information (Operations by Lines of Business) (Details) - USD ($) |
3 Months Ended | 9 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Jun. 27, 2026 |
Mar. 28, 2026 |
Dec. 27, 2025 |
Jun. 28, 2025 |
Mar. 29, 2025 |
Dec. 28, 2024 |
Jun. 27, 2026 |
Jun. 28, 2025 |
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| Segment Reporting Information [Line Items] | ||||||||
| Total revenues from unaffiliated customers | $ 1,368,324,128 | $ 1,346,221,519 | $ 4,049,164,793 | $ 3,965,609,341 | ||||
| Merchandise costs | 1,035,879,885 | 1,018,891,349 | 3,056,904,220 | 3,026,167,821 | ||||
| Depreciation and amortization | 90,462,072 | 92,213,807 | ||||||
| Income from operations | 34,483,226 | 37,341,660 | 108,089,435 | 82,553,943 | ||||
| Other operating income | 3,507,000 | 4,559,000 | 12,995,000 | 10,959,000 | ||||
| Other income | 3,037,263 | 2,769,378 | 8,719,998 | 8,909,015 | ||||
| Interest expense | 4,503,187 | 4,856,083 | 13,605,347 | 14,745,648 | ||||
| Income tax expense | 7,118,000 | 9,056,000 | 24,909,000 | 18,824,000 | ||||
| Net income | 25,899,302 | $ 24,267,415 | $ 28,128,370 | 26,198,955 | $ 15,106,015 | $ 16,588,340 | 78,295,086 | 57,893,310 |
| Operating Segments [Member] | Retail Grocery [Member] | ||||||||
| Segment Reporting Information [Line Items] | ||||||||
| Total revenues from unaffiliated customers | 1,310,120,000 | 1,292,991,000 | 3,885,785,000 | 3,815,059,000 | ||||
| Merchandise costs | 994,047,000 | 981,124,000 | 2,943,707,000 | 2,917,519,000 | ||||
| Salary and wages | 149,168,000 | 146,300,000 | 445,448,000 | 430,345,000 | ||||
| Insurance costs | 15,429,000 | 14,752,000 | 42,384,000 | 41,957,000 | ||||
| Repair and maintenance | 23,392,000 | 22,565,000 | 68,545,000 | 67,193,000 | ||||
| Bank charges | 16,549,000 | 15,475,000 | 47,648,000 | 44,040,000 | ||||
| Depreciation and amortization | 22,593,000 | 23,422,000 | 68,179,000 | 70,388,000 | ||||
| Utilities | 15,002,000 | 14,505,000 | 45,993,000 | 45,610,000 | ||||
| Other retail grocery expenses | 42,964,000 | 42,067,000 | 128,787,000 | 126,413,000 | ||||
| Income from operations | 30,976,000 | 32,782,000 | 95,094,000 | 71,595,000 | ||||
| Operating Segments [Member] | Retail Grocery [Member] | Grocery [Member] | ||||||||
| Segment Reporting Information [Line Items] | ||||||||
| Total revenues from unaffiliated customers | 468,291,000 | 478,310,000 | 1,460,286,000 | 1,447,893,000 | ||||
| Operating Segments [Member] | Retail Grocery [Member] | Non-foods [Member] | ||||||||
| Segment Reporting Information [Line Items] | ||||||||
| Total revenues from unaffiliated customers | 268,491,000 | 295,100,000 | 838,844,000 | 870,717,000 | ||||
| Operating Segments [Member] | Retail Grocery [Member] | Perishables [Member] | ||||||||
| Segment Reporting Information [Line Items] | ||||||||
| Total revenues from unaffiliated customers | 359,742,000 | 357,752,000 | 1,072,994,000 | 1,040,186,000 | ||||
| Operating Segments [Member] | Retail Grocery [Member] | Fuel [Member] | ||||||||
| Segment Reporting Information [Line Items] | ||||||||
| Total revenues from unaffiliated customers | 213,596,000 | 161,829,000 | 513,661,000 | 456,263,000 | ||||
| All Other [Member] | ||||||||
| Segment Reporting Information [Line Items] | ||||||||
| Total revenues from unaffiliated customers | $ 58,204,000 | $ 53,231,000 | $ 163,380,000 | $ 150,550,000 | ||||
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- Definition Bank charges. No definition available.
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- Definition Insurance expense. No definition available.
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- Definition Other retail grocery operating expenses. No definition available.
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- Definition Repairs and maintenance costs. No definition available.
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- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The total amount of other operating income, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of operating expense of regulated operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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