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Goodwill and Acquired Intangible Assets (Tables)
3 Months Ended
Mar. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Changes in Carrying Amount of Goodwill by Segment

The changes in the carrying amount of goodwill by reportable segments for the three months ended March 30, 2025, were as follows:

 

 

 

Robotics

 

 

Semiconductor
Test

 

 

Product Test

 

 

Total

 

 

 

(in thousands)

 

Balance at December 31, 2024

 

 

 

 

 

 

 

 

 

 

 

 

Goodwill

 

$

375,298

 

 

$

262,117

 

 

$

520,518

 

 

$

1,157,933

 

Accumulated impairment losses

 

 

 

 

 

(260,540

)

 

 

(502,026

)

 

 

(762,566

)

Total Goodwill

 

 

375,298

 

 

 

1,577

 

 

 

18,492

 

 

 

395,367

 

AET acquisition

 

 

 

 

 

1,257

 

 

 

 

 

 

1,257

 

Foreign currency translation adjustment

 

 

12,648

 

 

 

41

 

 

 

 

 

 

12,689

 

Balance at March 30, 2025

 

 

 

 

 

 

 

 

 

 

 

 

Goodwill

 

 

387,946

 

 

 

263,415

 

 

 

520,518

 

 

 

1,171,879

 

Accumulated impairment losses

 

 

 

 

 

(260,540

)

 

 

(502,026

)

 

 

(762,566

)

Total Goodwill

 

 

387,946

 

 

 

2,875

 

 

 

18,492

 

 

 

409,313

 

Schedule of Amortizable Intangible Assets

Amortizable intangible assets consist of the following and are included in intangible assets, net on the balance sheet:

 

 

 

Gross
Carrying
Amount

 

 

Acquired Assets

 

 

Accumulated
Amortization

 

 

Foreign
Currency
Translation
Adjustment

 

 

Net
Carrying
Amount

 

 

 

 (in thousands)

 

 

 

 

 

 

 

 

 

 

 

 

 

Balance at March 30, 2025

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Developed technology

 

$

267,705

 

 

$

2,619

 

 

$

(258,444

)

 

$

(5,650

)

 

$

6,230

 

Customer relationships

 

 

52,109

 

 

 

3,771

 

 

 

(50,114

)

 

 

204

 

 

$

5,970

 

Tradenames and trademarks

 

 

59,007

 

 

 

 

 

 

(51,828

)

 

 

(1,408

)

 

$

5,771

 

Total intangible assets

 

$

378,821

 

 

$

6,390

 

 

$

(360,386

)

 

$

(6,854

)

 

$

17,971

 

Balance at December 31, 2024

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Developed technology

 

$

267,706

 

 

$

 

 

$

(255,448

)

 

$

(5,820

)

 

$

6,438

 

Customer relationships

 

 

52,109

 

 

 

 

 

 

(49,562

)

 

 

204

 

 

 

2,751

 

Tradenames and trademarks

 

 

59,007

 

 

 

 

 

 

(50,805

)

 

 

(1,464

)

 

 

6,738

 

Total intangible assets

 

$

378,822

 

 

$

 

 

$

(355,815

)

 

$

(7,080

)

 

$

15,927

 

Schedule of Estimated Intangible Assets Amortization Expense

Estimated intangible asset amortization expense for each of the five succeeding fiscal years and thereafter is as follows:

 

Year

 

Amortization
Expense

 

 

 

(in thousands)

 

2025

 

$

7,940

 

2026

 

 

3,773

 

2027

 

 

2,556

 

2028

 

 

2,475

 

2029

 

 

1,164

 

Thereafter

 

 

63