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Goodwill and Intangible Assets (Tables)
 12 Months Ended
Jan. 26, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill balances
The following table summarizes goodwill by applicable operating segments:
Balance as of January 26, 2025Balance as of January 28, 2024
(in thousands)GoodwillAccumulated Impairment LossesCarrying ValueGoodwillAccumulated Impairment LossesCarrying Value
Signal Integrity$267,205 $— $267,205 $267,205 $— $267,205 
Analog Mixed Signal and Wireless
83,101 — 83,101 83,101 — 83,101 
IoT Systems and Connectivity945,896 (763,111)182,785 946,542 (755,621)190,921 
Total goodwill$1,296,202 $(763,111)$533,091 $1,296,848 $(755,621)$541,227 
The following table summarizes the change in goodwill by applicable operating segments:
(in thousands)Signal IntegrityAnalog Mixed Signal and Wireless IoT Systems and ConnectivityTotal
Balance at January 28, 2024$267,205 $83,101 $190,921 $541,227 
Cumulative translation adjustment— — (646)(646)
Impairment— — (7,490)(7,490)
Balance at January 26, 2025$267,205 $83,101 $182,785 $533,091 
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, which are amortized over their estimated useful lives:
 January 26, 2025
(in thousands)Estimated
Useful Life		Gross
Carrying
Amount		Accumulated
Amortization		Accumulated ImpairmentNet Carrying
Amount
Core technologies
1-8 years
$154,728 $(44,014)(91,792)$18,922 
Customer relationships
1-10 years
51,781 (13,394)(34,777)3,610 
Trade name
2-10 years
9,000 (3,125)(4,816)1,059 
Capitalized development costs3 years1,368 (278)— 1,090 
Software licenses7 years200 (14)— 186 
Total finite-lived intangible assets$217,077 $(60,825)$(131,385)$24,867 
January 28, 2024
(in thousands)Estimated
Useful Life		Gross
Carrying
Amount		Accumulated
Amortization		Accumulated ImpairmentNet Carrying
Amount
Core technologies
1-8 years
$154,985 $(35,130)(91,792)$28,063 
Customer relationships
1-10 years
52,272 (13,391)(34,777)4,104 
Trade name
2-10 years
9,000 (2,700)(4,816)1,484 
Total finite-lived intangible assets$216,257 $(51,221)$(131,385)$33,651 
The following table sets forth the Company’s finite-lived intangible assets not yet placed in service:
(in thousands)Capitalized Development Costs0Software LicensesTotal
Balance at January 28, 2024$1,000 $915 $1,915 
Additions2,472 5,425 7,897 
Placed in service(1,368)(200)(1,568)
Balance at January 26, 2025$2,104 $6,140 $8,244 
Schedule of amortization expenses recorded in the Statements of Income
Amortization expense of finite-lived intangible assets was as follows:
Fiscal Year Ended
(in thousands)January 26, 2025January 28, 2024January 29, 2023
Core technologies$9,106 $33,716 $5,660 
Customer relationships459 12,345 690 
Trade name425 2,568 132 
Capitalized development costs278 — — 
Software licenses14 — — 
Total amortization expense$10,282 $48,629 $6,482 
Schedule of future amortization expense
Future amortization expense of finite-lived intangible assets is expected as follows:
(in thousands)Core TechnologiesCustomer RelationshipsTrade NameCapitalized Development CostsSoftware LicensesTotal
Fiscal year 2026$8,595 $454 $133 $456 $29 $9,667 
Fiscal year 20273,703 454 133 456 29 4,775 
Fiscal year 20283,547 454 133 178 29 4,341 
Fiscal year 20293,077 454 133 — 29 3,693 
Fiscal year 2030— 454 133 — 29 616 
Thereafter— 1,340 394 — 41 1,775 
Total expected amortization expense$18,922 $3,610 $1,059 $1,090 $186 $24,867