Stock Ownership Plans - Weighted Average Prices of Stock Options (Details) - $ / shares	12 Months Ended
Sep. 25, 2022	Sep. 26, 2021	Sep. 27, 2020
Share-Based Payment Arrangement [Abstract]
Exercised (in dollars per share)	$ 11.30	$ 11.30	$ 0
Cancelled (in dollars per share)	11.30	11.30	25.30
Outstanding, end of year (in dollars per share)	$ 0	$ 11.40	$ 11.40

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

+ References

+ Details

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

+ References

+ Details

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