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Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Oct. 01, 2023
Goodwill and Intangible Assets Disclosure [Abstract] |
Summary of changes in carrying value of goodwill | The following table summarizes the changes in the carrying value of goodwill (in thousands):
| GSG |  | CIG |  | Total
Balance at October 3, 2021 | $ | 538,433 |  |  | $ | 570,145 |  |  | $ | 1,108,578 |
Goodwill reallocation | (51,497) |  |  | 51,497 |  |  | — |
Acquisitions | 42,365 |  |  | 26,318 |  |  | 68,683 |
Translation and other | (10,199) |  |  | (56,650) |  |  | (66,849) |
Balance at October 2, 2022 | 519,102 |  |  | 591,310 |  |  | 1,110,412 |
Acquisitions | 138,380 |  |  | 621,496 |  |  | 759,876 |
Translation and other | 2,460 |  |  | 7,496 |  |  | 9,956 |
Balance at October 1, 2023 | $ | 659,942 |  |  | $ | 1,220,302 |  |  | $ | 1,880,244 |
Summary of acquired identifiable intangible assets with finite useful lives | The fo llowing tabl e presents the gross amount and accumulated amortization of our acquired identifiable intangible assets with finite useful lives included in "Intangible assets, net" on the consolidated balance sheets ($ in thousands):
| Fiscal Year Ended |  |
| October 1, 2023 |  | October 2, 2022
| Weighted- Average Remaining Life (in years) |  | Gross Amount |  | Accumulated Amortization |  | Net Amount |  | Gross Amount |  | Accumulated Amortization |  | Net Amount
Client relations | 9.4 |  | $ | 169,217 |  |  | $ | (36,072) |  |  | $ | 133,145 |  |  | $ | 41,676 |  |  | $ | (21,092) |  |  | $ | 20,584 |
Backlog | 0.9 |  | 63,825 |  |  | (47,802) |  |  | 16,023 |  |  | 33,286 |  |  | (29,990) |  |  | 3,296 |
Trade names | 2.4 |  | 37,411 |  |  | (12,643) |  |  | 24,768 |  |  | 12,711 |  |  | (7,428) |  |  | 5,283 |
Total |  |  | $ | 270,453 |  |  | $ | (96,517) |  |  | $ | 173,936 |  |  | $ | 87,673 |  |  | $ | (58,510) |  |  | $ | 29,163 |
Estimated amortization expense for the succeeding five years and beyond | Estimated amortization expense for the succeeding five fiscal years and beyond is as foll ows (in thousands):
| Amount
2024 | $ | 42,180 |
2025 | 28,032 |
2026 | 19,922 |
2027 | 13,861 |
2028 | 13,352 |
Beyond | 56,589 |
Total | $ | 173,936 |

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- Definition Tabular disclosure of the characteristics, including gross value, accumulated amortization amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company. + References No definition available. + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482548/350-20-55-24 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1A Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-2 + Details
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