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Goodwill and Intangible Assets (Tables) | 6 Months Ended
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Aug. 01, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |
Changes in Carrying Amounts of Goodwill | The carrying amounts of goodwill by applicable reporting unit were as follows:
(in thousands) | Signal Integrity |  | Wireless and Sensing |  | Protection |  | Total
Balance at January 31, 2021 | $ | 274,085 |  |  | $ | 72,128 |  |  | $ | 4,928 |  |  | $ | 351,141 |
Balance at August 1, 2021 | $ | 274,085 |  |  | $ | 72,128 |  |  | $ | 4,928 |  |  | $ | 351,141 |
Schedule of Acquired Finite-Lived Intangible Assets | The following table sets forth the Company’s finite-lived intangible assets resulting from business acquisitions and technology licenses purchased, which are amortized over their estimated useful lives:
|  |  | August 1, 2021 |  | January 31, 2021
(in thousands, except estimated useful life) | Estimated Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Core technologies | 3-8 years |  | $ | 29,300 |  |  | $ | (20,150) |  |  | $ | 9,150 |  |  | $ | 29,300 |  |  | $ | (17,554) |  |  | $ | 11,746 |
Total finite-lived intangible assets |  |  | $ | 29,300 |  |  | $ | (20,150) |  |  | $ | 9,150 |  |  | $ | 29,300 |  |  | $ | (17,554) |  |  | $ | 11,746 |
Finite-lived Intangible Assets Amortization Expense | Amortization expense of finite-lived intangible assets recorded in the Statements of Income for each period was as follows:
| Three Months Ended |  | Six Months Ended
(in thousands) | August 1, 2021 |  | July 26, 2020 |  | August 1, 2021 |  | July 26, 2020
Core technologies | $ | 1,298 |  |  | $ | 1,798 |  |  | $ | 2,596 |  |  | $ | 4,271 |
Customer relationships | — |  |  | 222 |  |  | — |  |  | 589 |
Total amortization expense | $ | 1,298 |  |  | $ | 2,020 |  |  | $ | 2,596 |  |  | $ | 4,860 |
Schedule of Future Amortization of Intangible Asset | Future amortization expense of finite-lived intangible assets is expected as follows:
(in thousands) |  |  |  |  |
Fiscal Year Ending: |  |  |  |  |
Fiscal year 2022 (remaining six months) | $ | 2,346 |  |  |  |  |
Fiscal year 2023 | 4,002 |  |  |  |  |
Fiscal year 2024 | 1,676 |  |  |  |  |
Fiscal year 2025 | 288 |  |  |  |  |
Fiscal year 2026 | 288 |  |  |  |  |
Thereafter | 550 |  |  |  |  |
Total expected amortization expense | $ | 9,150 |  |  |  |  |

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- Definition Tabular disclosure of the characteristics, including initial carrying value, residual 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 Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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