Stock-Based Compensation - Summary of Grants of Time-Based Restricted Stock Unit Awards Associated with Key Member of Management (Detail) - Time-Based Restricted Stock Units [Member] - $ / shares |
12 Months Ended | ||||||||||||||||||
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Sep. 25, 2025 |
Aug. 07, 2025 |
Jan. 06, 2025 |
Sep. 26, 2024 |
[3] | Aug. 08, 2024 |
Jan. 08, 2024 |
Sep. 28, 2023 |
May 03, 2026 |
Apr. 27, 2025 |
Apr. 28, 2024 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||||||||||||||||
| Restricted Stock Units Awarded | 96,235 | 91,629 | 174,754 | ||||||||||||||||
| Senior Executives and Key Employees [Member] | |||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||||||||||||||||
| Restricted Stock Units Awarded | [1] | 15,900 | 21,506 | 23,300 | 14,758 | 100,067 | |||||||||||||
| Price Per Share | [1],[2] | $ 4.23 | $ 5.69 | $ 4.65 | $ 5.61 | $ 5.59 | |||||||||||||
| Vesting Period | [1] | 3 years | 3 years | 3 years | 31 months | 34 months | |||||||||||||
| Outside Directors [Member] | |||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||||||||||||||||
| Restricted Stock Units Awarded | 80,335 | [2] | 46,823 | 59,929 | [3] | ||||||||||||||
| Price Per Share | [2] | $ 4.17 | $ 5.98 | $ 5.59 | [3] | ||||||||||||||
| Vesting Period | 1 year | [2] | 1 year | 1 year | [3] | ||||||||||||||
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued 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). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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