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SEGMENT INFORMATION (Capital expenditures, depreciation and amortization expense by segment) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 29, 2024 | Jul. 01, 2023 | Jun. 29, 2024 | Jul. 01, 2023
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |  |
Capital expenditures: | $ 3,266 | $ 10,451 | $ 10,645 | $ 43,485
Depreciation and amortization expense: |  |  |  |
Depreciation expense: | 3,694 | 6,805 | 15,974 | 16,003
Amortization expense: | 1,250 | 1,786 | 3,922 | 4,743
Ball Bonding Equipment |  |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |  |
Capital expenditures: | 172 | 316 | 726 | 805
Depreciation and amortization expense: |  |  |  |
Depreciation expense: | 363 | 388 | 1,010 | 1,173
Amortization expense: | 0 | 0 | 0 | 0
Wedge Bonding Equipment |  |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |  |
Capital expenditures: | 495 | 83 | 630 | 403
Depreciation and amortization expense: |  |  |  |
Depreciation expense: | 228 | 304 | 764 | 878
Amortization expense: | 0 | 0 | 0 | 0
Advanced Solutions |  |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |  |
Capital expenditures: | 47 | 6,439 | 365 | 29,425
Depreciation and amortization expense: |  |  |  |
Depreciation expense: | 295 | 2,989 | 5,663 | 4,821
Amortization expense: | 0 | 0 | 0 | 0
APS |  |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |  |
Capital expenditures: | 157 | 1,251 | 827 | 4,443
Depreciation and amortization expense: |  |  |  |
Depreciation expense: | 1,332 | 1,517 | 3,957 | 4,742
Amortization expense: | 227 | 380 | 684 | 1,116
All Others |  |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |  |
Capital expenditures: | 412 | 30 | 839 | 279
Depreciation and amortization expense: |  |  |  |
Depreciation expense: | 398 | 416 | 1,164 | 1,017
Amortization expense: | 931 | 1,314 | 2,963 | 3,352
Corporate Expenses |  |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |  |
Capital expenditures: | 1,983 | 2,332 | 7,258 | 8,130
Depreciation and amortization expense: |  |  |  |
Depreciation expense: | 1,078 | 1,191 | 3,416 | 3,372
Amortization expense: | $ 92 | $ 92 | $ 275 | $ 275

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + 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://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482686/350-30-45-2 + 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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