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Goodwill and Intangible Assets (Tables)
 12 Months Ended
Jan. 25, 2026
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill balances
The following table summarizes goodwill by applicable operating segments:
Balance as of January 25, 2026Balance as of January 26, 2025
(in thousands)GoodwillAccumulated Impairment LossesCarrying ValueGoodwillAccumulated Impairment LossesCarrying Value
Signal Integrity$267,205 $— $267,205 $267,205 $— $267,205 
Analog Mixed Signal and Wireless
91,068 — 91,068 83,101 — 83,101 
IoT Systems and Connectivity947,548 (847,896)99,652 945,896 (763,111)182,785 
Total goodwill$1,305,821 $(847,896)$457,925 $1,296,202 $(763,111)$533,091 
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 26, 2025$267,205 $83,101 $182,785 $533,091 
Addition from acquisition— 7,967 — 7,967 
Cumulative translation adjustment— — 1,652 1,652 
Impairment— — (84,785)(84,785)
Balance at January 25, 2026$267,205 $91,068 $99,652 $457,925 
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 25, 2026
(in thousands)Estimated
Useful Life		Gross
Carrying
Amount		Accumulated
Amortization		Accumulated ImpairmentNet Carrying
Amount
Core technologies
1-8 years
$167,178 $(54,383)(91,792)$21,003 
Customer relationships
1-10 years
53,248 (15,265)(34,777)3,206 
Trade name
2-10 years
9,000 (3,257)(4,816)927 
Capitalized development costs
3-7 years
3,912 (1,023)(1,777)1,112 
Software licenses
7-10 years
3,740 (312)— 3,428 
Total finite-lived intangible assets$237,078 $(74,240)$(133,162)$29,676 
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 
The following table sets forth the Company’s finite-lived intangible assets not yet placed in service:
(in thousands)Capitalized Development CostsSoftware LicensesTotal
Balance at January 26, 2025$2,104 $6,140 $8,244 
Additions2,854 5,325 8,179 
Placed in service(2,544)(3,540)(6,084)
Balance at January 25, 2026$2,414 $7,925 $10,339 
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 25, 2026January 26, 2025January 28, 2024
Core technologies$9,193 $9,106 $33,716 
Customer relationships499 459 12,345 
Trade name132 425 2,568 
Capitalized development costs745 278 — 
Software licenses298 14 — 
Total amortization expense$10,867 $10,282 $48,629 
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 2027$6,035 $631 $133 $565 $384 $7,748 
Fiscal year 20284,762 432 133 287 384 5,998 
Fiscal year 20294,276 432 133 57 384 5,282 
Fiscal year 20301,572 432 133 57 384 2,578 
Fiscal year 20311,572 432 133 57 384 2,578 
Thereafter2,786 847 262 89 1,508 5,492 
Total expected amortization expense$21,003 $3,206 $927 $1,112 $3,428 $29,676