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SEGMENT INFORMATION (Capital expenditures, depreciation and amortization expense by segment) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 01, 2023 | Jul. 02, 2022 | Jul. 01, 2023 | Jul. 02, 2022
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |  |
Capital expenditures: | $ 10,451 | $ 4,953 | $ 43,485 | $ 11,213
Depreciation and amortization expense: |  |  |  |
Depreciation expense: | 6,805 | 4,101 | 16,003 | 12,230
Amortization expense: | 1,786 | 1,109 | 4,743 | 3,543
Ball Bonding Equipment |  |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |  |
Capital expenditures: | 316 | 179 | 805 | 855
Depreciation and amortization expense: |  |  |  |
Depreciation expense: | 388 | 346 | 1,173 | 1,012
Amortization expense: | 0 | 0 | 0 | 0
Wedge Bonding Equipment |  |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |  |
Capital expenditures: | 83 | 358 | 403 | 780
Depreciation and amortization expense: |  |  |  |
Depreciation expense: | 304 | 252 | 878 | 732
Amortization expense: | 0 | 0 | 0 | 0
Advanced Solutions |  |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |  |
Capital expenditures: | 6,439 | 1,049 | 29,425 | 2,423
Depreciation and amortization expense: |  |  |  |
Depreciation expense: | 2,989 | 519 | 4,821 | 1,494
Amortization expense: | 0 | 0 | 0 | 0
APS |  |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |  |
Capital expenditures: | 1,251 | 1,151 | 4,443 | 2,851
Depreciation and amortization expense: |  |  |  |
Depreciation expense: | 1,517 | 1,681 | 4,742 | 4,971
Amortization expense: | 380 | 208 | 1,116 | 684
All Others |  |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |  |
Capital expenditures: | 30 | 437 | 279 | 700
Depreciation and amortization expense: |  |  |  |
Depreciation expense: | 416 | 250 | 1,017 | 792
Amortization expense: | 1,314 | 809 | 3,352 | 2,584
Corporate Expenses |  |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |  |
Capital expenditures: | 2,332 | 1,779 | 8,130 | 3,604
Depreciation and amortization expense: |  |  |  |
Depreciation expense: | 1,191 | 1,053 | 3,372 | 3,229
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://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482686/350-30-45-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + 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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