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Cash Flow Information (Supplemental Disclosure Of Cash Flow Information) (Details) - USD ($)	12 Months Ended
	Sep. 24, 2016	Sep. 26, 2015	Sep. 27, 2014
Cash paid during the year for:
Interest (net of amounts capitalized)	$ 46,547,381	$ 47,059,731	$ 46,886,468
Income taxes	20,209,281	37,198,075	32,064,452
Non cash items:
Property and equipment additions included in accounts payable	$ 7,197,684	$ 1,192,232	$ 8,555,952

X

- Definition

Cash Paid During Year [Abstract]

+ References

No definition available.

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- Definition

Non Cash Items [Abstract]

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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X

- 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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586

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X

- Definition

The amount of cash paid for interest during the period net of cash paid for interest that is capitalized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586

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