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Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Oct. 01, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of carrying value of goodwill | The following table summarizes the changes in the carrying value of goodwill:
| WEI |  | RME |  | Total
| (in thousands)
Balance at September 27, 2015 | $ | 210,748 |  |  | $ | 390,631 |  |  | $ | 601,379 |
Goodwill additions | 9,080 |  |  | 98,538 |  |  | 107,618 |
Goodwill adjustments | — |  |  | 1,687 |  |  | 1,687 |
Foreign exchange translation | 2,125 |  |  | 5,179 |  |  | 7,304 |
Balance at October 2, 2016 | 221,953 |  |  | 496,035 |  |  | 717,988 |
Goodwill additions | — |  |  | 7,055 |  |  | 7,055 |
Goodwill adjustments | 13,509 |  |  | (12,804 | ) |  | 705 |
Foreign exchange translation | 6,273 |  |  | 8,865 |  |  | 15,138 |
Balance at October 1, 2017 | $ | 241,735 |  |  | $ | 499,151 |  |  | $ | 740,886 |
Summary 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 the consolidated balance sheets, were as follows:
| Fiscal Year Ended
| October 1, 2017 |  | October 2, 2016
| Weighted- Average Remaining Life (in years) |  | Gross Amount |  | Accumulated Amortization |  | Gross Amount |  | Accumulated Amortization
| ($ in thousands)
Non-compete agreements | 0.1 |  | $ | 495 |  |  | $ | (493 | ) |  | $ | 881 |  |  | $ | (840 | )
Client relations | 2.9 |  | 90,297 |  |  | (75,074 | ) |  | 112,367 |  |  | (83,514 | )
Backlog | 1.4 |  | 21,518 |  |  | (13,301 | ) |  | 23,018 |  |  | (7,536 | )
Technology and trade names | 3.3 |  | 6,685 |  |  | (3,439 | ) |  | 7,778 |  |  | (3,192 | )
Total |  |  | $ | 118,995 |  |  | $ | (92,307 | ) |  | $ | 144,044 |  |  | $ | (95,082 | )
Estimated amortization expense for the succeeding five years and beyond | Estimated amortization expense for the succeeding five years and beyond is as follows:
| Amount
| (in thousands)
2018 | $ | 14,548 |
2019 | 7,034 |
2020 | 2,802 |
2021 | 1,664 |
2022 | 411 |
Beyond | 229 |
Total | $ | 26,688 |

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- Definition Tabular disclosure of carrying amounts of reporting units before and after the goodwill impairment expense. + References No definition available. + Details
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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 the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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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