Goodwill and Intangible Assets (Tables)

6 Months Ended

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