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Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Jan. 30, 2022
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill balances | 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 January 30, 2022 | $ | 274,085 |  |  | $ | 72,128 |  |  | $ | 4,928 |  |  | $ | 351,141 |
Schedule of finite-lived intangible assets which continue to be amortized | 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:
|  |  | January 30, 2022 |  | January 31, 2021
(in thousands) | 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 |  |  | $ | (19,496) |  |  | $ | 6,804 |  |  | $ | 29,300 |  |  | $ | (17,554) |  |  | $ | 11,746 |
Total finite-lived intangible assets |  |  | $ | 26,300 |  |  | $ | (19,496) |  |  | $ | 6,804 |  |  | $ | 29,300 |  |  | $ | (17,554) |  |  | $ | 11,746 |
Schedule of amortization expenses recorded in the Statements of Income | Amortization expense of finite-lived intangible assets, which was recorded in "Intangible Amortization" in the Statements of Income, was as follows:
(in thousands) | January 30, 2022 |  | January 31, 2021 |  | January 26, 2020
Core technologies | $ | 4,942 |  |  | $ | 7,676 |  |  | $ | 14,263 |
Customer relationships | — |  |  | 589 |  |  | 2,283 |
Total amortization expense | $ | 4,942 |  |  | $ | 8,265 |  |  | $ | 16,546 |
Schedule of future amortization expense | Future amortization expense of finite-lived intangible assets is expected as follows:
(in thousands) |  |  |  |  |  |  |
To be recognized in: |  |  |  |  |  |  | Total
Fiscal year 2023 |  |  |  |  |  |  | $ | 4,002 |
Fiscal year 2024 |  |  |  |  |  |  | 1,676 |
Fiscal year 2025 |  |  |  |  |  |  | 288 |
Fiscal year 2026 |  |  |  |  |  |  | 288 |
Fiscal year 2027 |  |  |  |  |  |  | 288 |
Thereafter |  |  |  |  |  |  | 262 |
Total expected amortization expense |  |  |  |  |  |  | $ | 6,804 |

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