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Goodwill and Intangible Assets (Tables) | 6 Months Ended
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Jul. 31, 2022
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 30, 2022 | $ | 274,085 |  |  | $ | 72,128 |  |  | $ | 4,928 |  |  | $ | 351,141 |
Reduction | — |  |  | (835) |  |  | — |  |  | (835) |
Balance at July 31, 2022 | $ | 274,085 |  |  | $ | 71,293 |  |  | $ | 4,928 |  |  | $ | 350,306 |
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:
|  |  | July 31, 2022 |  | January 30, 2022
(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 | 6-8 years |  | $ | 26,300 |  |  | $ | (21,592) |  |  | $ | 4,708 |  |  | $ | 26,300 |  |  | $ | (19,496) |  |  | $ | 6,804 |
Total finite-lived intangible assets |  |  | $ | 26,300 |  |  | $ | (21,592) |  |  | $ | 4,708 |  |  | $ | 26,300 |  |  | $ | (19,496) |  |  | $ | 6,804 |
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) | July 31, 2022 |  | August 1, 2021 |  | July 31, 2022 |  | August 1, 2021
Core technologies | $ | 1,048 |  |  | $ | 1,298 |  |  | $ | 2,096 |  |  | $ | 2,596 |
Total amortization expense | $ | 1,048 |  |  | $ | 1,298 |  |  | $ | 2,096 |  |  | $ | 2,596 |
Schedule of Future Amortization of Intangible Asset | Future amortization expense of finite-lived intangible assets is expected as follows:
(in thousands) |  |  |  |  |
Fiscal Year Ending: |  |  |  |  |
2023 (remaining six months) | $ | 1,906 |  |  |  |  |
2024 | 1,676 |  |  |  |  |
2025 | 288 |  |  |  |  |
2026 | 288 |  |  |  |  |
2027 | 288 |  |  |  |  |
Thereafter | 262 |  |  |  |  |
Total expected amortization expense | $ | 4,708 |  |  |  |  |

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