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Goodwill and Intangible Assets (Tables) | 6 Months Ended
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Mar. 29, 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 |  | 35,560 |  |  | 5,508 |  |  | 41,068 |
Translation |  | (4,059) |  |  | (17,111) |  |  | (21,170) |
Balance at March 29, 2020 |  | $ | 473,303 |  |  | $ | 471,415 |  |  | $ | 944,718 |
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:
| March 29, 2020 |  |  |  |  |  | September 29, 2019 |  |
| Weighted- Average Remaining Life (in Years) |  | Gross Amount |  | Accumulated Amortization |  | Gross Amount |  | Accumulated Amortization
| ($ in thousands) |  |  |  |  |  |  |  |
Client relations | 3.0 |  | $ | 58,708 |  |  | $ | (51,596) |  |  | $ | 56,779 |  |  | $ | (50,455) |
Backlog | 0.9 |  | 33,618 |  |  | (27,889) |  |  | 32,229 |  |  | (24,968) |
Trade names | 1.8 |  | 7,143 |  |  | (5,125) |  |  | 7,714 |  |  | (4,859) |
Total |  |  | $ | 99,469 |  |  | $ | (84,610) |  |  | $ | 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 | $ | 5,096 |
2021 | 5,898 |
2022 | 2,173 |
2023 | 1,491 |
2024 | 201 |
Total | $ | 14,859 |

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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=108376223&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=108376223&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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