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Retirement Plans (Tables) | 12 Months Ended
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Sep. 28, 2025
Retirement Benefits [Abstract] |
Summary of amounts recorded on the balance sheet | The Plan's funded status was as follows (in thousands):
| Fiscal Year Ended
| September 28, 2025 |  | September 29, 2024
Fair value of plan assets | $ | 43,553 |  |  | $ | 46,815 |
Benefit obligation | (34,901) |  |  | (39,722) |
Net surplus | $ | 8,652 |  |  | $ | 7,093 |
Summary of fair value of plan assets by major asset category | The fair values of the plan assets by major asset categories were as follows (in thousands):
| Fiscal Year Ended
| September 28, 2025 |  | September 29, 2024
Equities | $ | 692 |  |  | $ | 3,739 |
Mutual funds | 23,750 |  |  | 22,923 |
Liability driven investment funds | 15,607 |  |  | 15,833 |
Bonds | 2,647 |  |  | 2,657 |
Cash/other | 857 |  |  | 1,663 |
Fair value of plan assets | $ | 43,553 |  |  | $ | 46,815 |
Summary of Principle assumptions used for the benefit obligation valuation | Principal assumptions used for the benefit obligation in the valuation are as follows:
| Fiscal Year Ended
| September 28, 2025 |  | September 29, 2024
Discount rate | 5.85 | % |  | 5.00 | %
Rate of inflation | 2.75% to 3.15% |  | 2.70% to 3.15%

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- Definition Tabular disclosure of defined benefit plan asset investment. Includes, but is not limited to, fair value of category of plan asset and its level within fair value hierarchy. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (c)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-5 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (c)(iv)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-5 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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- Definition Tabular disclosure of assumption used to determine benefit obligation and net periodic benefit cost of defined benefit plan. Includes, but is not limited to, discount rate, rate of compensation increase, expected long-term rate of return on plan assets and interest crediting rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (j) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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- Definition Tabular disclosure of net funded status of pension plans and/or other employee benefit plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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