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Cash Flow Information (Supplemental Disclosure Of Cash Flow Information) (Details) - USD ($)	12 Months Ended
	Sep. 25, 2021	Sep. 26, 2020	Sep. 28, 2019
Cash paid during the year for:
Interest (net of amounts capitalized)	$ 26,537,234	$ 47,185,161	$ 47,465,459
Income taxes	77,515,577	63,195,908	(11,697,668)
Non cash items:
Property and equipment additions included in accounts payable	$ 6,920,759	$ 11,626,310	$ 8,007,879

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Cash Paid During Year [Abstract]

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Non Cash Items [Abstract]

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Non cash or part non cash acquisition value of property and equipment acquired included in accounts payable.

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- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 2
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Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4297-108586

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
-Paragraph 17
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-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3367-108585

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3536-108585

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