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SEGMENT INFORMATION (Capital expenditures, depreciation, and amortization expense by segment) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 28, 2024 | Sep. 30, 2023 | Oct. 01, 2022
Capital expenditures: |  |  |
Capital expenditures | $ 13,736 | $ 47,702 | $ 32,233
Depreciation expense: |  |  |
Depreciation expense | 19,547 | 22,758 | 16,376
Amortization expense: |  |  |
Amortization expense | 5,188 | 6,099 | 4,917
Ball Bonding Equipment |  |  |
Capital expenditures: |  |  |
Capital expenditures | 1,548 | 1,087 | 978
Depreciation expense: |  |  |
Depreciation expense | 1,363 | 1,538 | 1,398
Amortization expense: |  |  |
Amortization expense | 0 | 0 | 0
APS |  |  |
Capital expenditures: |  |  |
Capital expenditures | 1,177 | 5,298 | 4,964
Depreciation expense: |  |  |
Depreciation expense | 5,352 | 6,166 | 6,632
Amortization expense: |  |  |
Amortization expense | 917 | 896 | 994
Wedge Bonding Equipment |  |  |
Capital expenditures: |  |  |
Capital expenditures | 699 | 436 | 1,450
Depreciation expense: |  |  |
Depreciation expense | 1,003 | 1,169 | 981
Amortization expense: |  |  |
Amortization expense | 0 | 0 | 0
Advanced Solutions |  |  |
Capital expenditures: |  |  |
Capital expenditures | 804 | 30,522 | 19,036
Depreciation expense: |  |  |
Depreciation expense | 5,945 | 7,706 | 2,034
Amortization expense: |  |  |
Amortization expense | 0 | 0 | 0
All Others |  |  |
Capital expenditures: |  |  |
Capital expenditures | 891 | 658 | 1,364
Depreciation expense: |  |  |
Depreciation expense | 1,577 | 1,505 | 1,047
Amortization expense: |  |  |
Amortization expense | 3,904 | 4,837 | 3,557
Corporate Expenses |  |  |
Capital expenditures: |  |  |
Capital expenditures | 8,617 | 9,701 | 4,441
Depreciation expense: |  |  |
Depreciation expense | 4,307 | 4,674 | 4,284
Amortization expense: |  |  |
Amortization expense | $ 367 | $ 366 | $ 366

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- Definition The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
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- Definition Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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