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Goodwill and Intangible Assets (Tables) | 6 Months Ended
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Mar. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Summary of changes in the carrying value of goodwill | The following table summarizes the changes in the carrying value of goodwill by reportable segment (in thousands):
|  | GSG |  | CIG |  | Total
Balance at September 29, 2024 |  | $ | 750,817 |  |  | $ | 1,295,752 |  |  | $ | 2,046,569 |
Acquisition activity |  | — |  |  | 10,114 |  |  | 10,114 |
Goodwill impairment |  | (92,416) |  |  | — |  |  | (92,416) |
Translation adjustments |  | (2,271) |  |  | (48,862) |  |  | (51,133) |
Balance at March 30, 2025 |  | $ | 656,130 |  |  | $ | 1,257,004 |  |  | $ | 1,913,134 |
Summary of acquired identifiable intangible assets with finite useful lives | The following table 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):
| As of
| March 30, 2025 |  | September 29, 2024
| Weighted- Average Remaining Life (in Years) |  | Gross Amount |  | Accumulated Amortization |  | Net Amount |  | Gross Amount |  | Accumulated Amortization |  | Net Amount
Client relations | 7.9 |  | $ | 193,216 |  |  | $ | (66,387) |  |  | $ | 126,829 |  |  | $ | 198,726 |  |  | $ | (57,975) |  |  | $ | 140,751 |
Backlog | 0.1 |  | 72,881 |  |  | (72,639) |  |  | 242 |  |  | 75,194 |  |  | (71,101) |  |  | 4,093 |
Trade names | 0.9 |  | 39,398 |  |  | (29,685) |  |  | 9,713 |  |  | 40,926 |  |  | (25,185) |  |  | 15,741 |
Total |  |  | $ | 305,495 |  |  | $ | (168,711) |  |  | $ | 136,784 |  |  | $ | 314,846 |  |  | $ | (154,261) |  |  | $ | 160,585 |
Estimated amortization expense for the remainder of the fiscal year and the succeeding years | Estimated amortization expense for the remainder of fiscal 2025 and succeeding years is as follows (in thousands):
| Amount
2025 (remaining) | $ | 15,810 |
2026 | 23,879 |
2027 | 17,151 |
2028 | 16,642 |
2029 | 15,759 |
Beyond | 47,543 |
Total | $ | 136,784 |

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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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