Goodwill and Intangible Assets (Tables)

12 Months Ended

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