Employee Stock Purchase and Stock Incentive Plans - Number of Shares of Restricted Stock and Restricted Stock Units Issued Under the 1999 Plans (Details) - shares	12 Months Ended
Sep. 30, 2022	Oct. 01, 2021	Oct. 02, 2020
1999 ODSP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award number of shares, non-fungible share basis (in shares)	1.92
1999 ODSP \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock and restricted stock units outstanding (in shares)	0
1999 ODSP \| Restricted Stock Units (RSUs) \| Service Condition
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock and restricted stock units issued (in shares)	13,785	17,680	18,100
Restricted stock and restricted stock units outstanding (in shares)	57,133
1999 SIP \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock and restricted stock units issued (in shares)	818	0	0
Restricted stock and restricted stock units canceled (in shares)	0	0	34,417
Restricted stock and restricted stock units outstanding (in shares)	252
1999 SIP \| Restricted Stock Units (RSUs) \| Service Condition
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock and restricted stock units issued (in shares)	290,582	380,722	351,670
Restricted stock and restricted stock units canceled (in shares)	57,366	201,967	183,099
Restricted stock and restricted stock units outstanding (in shares)	732,945
1999 SIP \| Restricted Stock Units (RSUs) \| Service Market And Performance Conditions at Target
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock and restricted stock units issued (in shares)	176,470	181,132	202,792
Restricted stock and restricted stock units canceled (in shares)	31,966	218,520	160,781
Restricted stock and restricted stock units outstanding (in shares)	585,099

Share-based compensation arrangement by share-based payment award, award number of shares, non-fungible share basis.

No definition available.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ 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)(2)(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)(2)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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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.

+ References

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