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Goodwill and Intangible Assets (Tables) | 9 Months Ended
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Jun. 28, 2020
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:
|  | GSG |  | CIG |  | Total
|  | (in thousands) |  |  |  |
Balance at September 29, 2019 |  | $ | 441,802 |  |  | $ | 483,018 |  |  | $ | 924,820 |
Acquisition activity |  | 35,520 |  |  | 5,294 |  |  | 40,814 |
Translation |  | (2,858) |  |  | (4,614) |  |  | (7,472) |
Balance at June 28, 2020 |  | $ | 474,464 |  |  | $ | 483,698 |  |  | $ | 958,162 |
Summary of Gross Amount and Accumulated Amortization of Acquired Identifiable Intangible Assets With Finite Useful Lives | The gross amount and accumulated amortization of our acquired identifiable intangible assets with finite useful lives included in “Intangible assets, net” on our consolidated balance sheets, were as follows:
| June 28, 2020 |  |  |  |  |  | September 29, 2019 |  |
| Weighted- Average Remaining Life (in Years) |  | Gross Amount |  | Accumulated Amortization |  | Gross Amount |  | Accumulated Amortization
| ($ in thousands) |  |  |  |  |  |  |  |
Client relations | 2.8 |  | $ | 58,909 |  |  | $ | (52,479) |  |  | $ | 56,779 |  |  | $ | (50,455) |
Backlog | 0.7 |  | 34,770 |  |  | (30,668) |  |  | 32,229 |  |  | (24,968) |
Trade names | 1.9 |  | 7,807 |  |  | (5,882) |  |  | 7,714 |  |  | (4,859) |
Total |  |  | $ | 101,486 |  |  | $ | (89,029) |  |  | $ | 96,722 |  |  | $ | (80,282) |
Schedule of Estimated Amortization Expense for Remainder of Fiscal and Succeeding Years | Estimated amortization expense for the remainder of fiscal 2020 and succeeding years is as follows:
| Amount
| (in thousands)
2020 | $ | 2,561 |
2021 | 5,960 |
2022 | 2,229 |
2023 | 1,506 |
2024 | 201 |
Total | $ | 12,457 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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