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SEGMENT INFORMATION (Capital expenditures, depreciation, and amortization expense by segment) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Oct. 01, 2022 | Oct. 02, 2021 | Oct. 03, 2020
Capital expenditures: |  |  |
Capital expenditures | $ 32,233 | $ 22,555 | $ 14,514
Depreciation expense: |  |  |
Depreciation expense | 16,376 | 13,836 | 12,368
Amortization expense: |  |  |
Amortization expense | 4,917 | 5,974 | 7,371
Ball Bonding Equipment |  |  |
Capital expenditures: |  |  |
Capital expenditures | 978 | 1,627 | 1,586
Depreciation expense: |  |  |
Depreciation expense | 1,398 | 1,153 | 758
Amortization expense: |  |  |
Amortization expense | 0 | 0 | 0
Wedge Bonding Equipment |  |  |
Capital expenditures: |  |  |
Capital expenditures | 1,450 | 387 | 607
Depreciation expense: |  |  |
Depreciation expense | 981 | 940 | 933
Amortization expense: |  |  |
Amortization expense | 0 | 0 | 0
Advanced Solutions |  |  |
Capital expenditures: |  |  |
Capital expenditures | 19,036 | 6,090 | 214
Depreciation expense: |  |  |
Depreciation expense | 2,034 | 845 | 487
Amortization expense: |  |  |
Amortization expense | 0 | 0 | 0
APS |  |  |
Capital expenditures: |  |  |
Capital expenditures | 4,964 | 5,286 | 8,131
Depreciation expense: |  |  |
Depreciation expense | 6,632 | 5,969 | 4,951
Amortization expense: |  |  |
Amortization expense | 994 | 2,319 | 3,416
All Others |  |  |
Capital expenditures: |  |  |
Capital expenditures | 1,364 | 1,046 | 1,767
Depreciation expense: |  |  |
Depreciation expense | 1,047 | 1,179 | 1,252
Amortization expense: |  |  |
Amortization expense | 3,557 | 3,369 | 3,955
Corporate Expenses |  |  |
Capital expenditures: |  |  |
Capital expenditures | 4,441 | 8,119 | 2,209
Depreciation expense: |  |  |
Depreciation expense | 4,284 | 3,750 | 3,987
Amortization expense: |  |  |
Amortization expense | $ 366 | $ 286 | $ 0

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