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Goodwill and Intangible Assets (Tables)
 3 Months Ended
Apr. 30, 2023
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 IntegrityAdvanced Protection and Sensing IoT System IoT Connected ServicesUnallocatedTotal
Balance at January 29, 2023$274,085 $14,639 $61,582 $— $931,397 $1,281,703 
Measurement period adjustment— — — — 7,125 $7,125 
Balance at April 30, 2023$274,085 $14,639 $61,582 $— $938,522 $1,288,828 
Schedule of Acquired Finite-Lived Intangible Assets
The following table sets forth the Company’s finite-lived intangible assets resulting from business acquisitions, which are amortized over their estimated useful lives:
 April 30, 2023January 29, 2023
(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
1-8 years
$175,114 $(32,011)$143,103 $175,080 $(21,156)$153,924 
Customer relationships
1-10 years
52,381 (4,776)47,605 53,000 (690)52,310 
Trade name
2-10 years
9,000 (924)8,076 9,000 (132)8,868 
Total finite-lived intangible assets$236,495 $(37,711)$198,784 $237,080 $(21,978)$215,102 
Finite-lived Intangible Assets Amortization Expense
Amortization expense of finite-lived intangible assets was as follows:
Three Months Ended
(in thousands)April 30, 2023May 1, 2022
Core technologies$10,855 $1,048 
Customer relationships4,090 — 
Trade name792 — 
Total amortization expense$15,737 $1,048 
Schedule of Future Amortization of Intangible Asset
Future amortization expense of finite-lived intangible assets is expected as follows:
(in thousands)Core TechnologiesCustomer RelationshipsTrade nameTotal
2024 (remaining nine months)$30,620 $11,762 $2,375 $44,757 
202539,542 4,003 1,722 45,267 
202632,434 4,003 500 36,937 
202717,573 4,003 500 22,076 
202813,562 4,003 500 18,065 
Thereafter9,372 19,831 2,479 31,682 
Total expected amortization expense$143,103 $47,605 $8,076 $198,784