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v3.26.1

Revenue - Schedule of Disaggregated Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 28, 2026 | Jun. 29, 2025 | Jun. 28, 2026 | Jun. 29, 2025
Disaggregation of Revenue [Line Items] |  |  |  |
Lease Revenue Per Topic 842 | $ 395 | $ 778 | $ 764 | $ 1,945
Revenue | 156,377 | 59,063 | 317,063 | 120,359
Point-in-Time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 3,072 | 5,080 | 17,919 | 12,434
Over Time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 152,910 | 53,205 | 298,380 | 105,980
Combined ATS development and Wafer Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Lease Revenue Per Topic 842 | 395 | 778 | 764 | 1,945
Revenue | 154,581 | 58,016 | 305,365 | 118,078
Combined ATS development and Wafer Services | Point-in-Time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 1,276 | 4,033 | 6,221 | 10,153
Combined ATS development and Wafer Services | Over Time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 152,910 | 53,205 | 298,380 | 105,980
Advanced Technology Services (ATS) Development |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Lease Revenue Per Topic 842 | 0 | 778 | 0 | 1,945
Revenue | 63,213 | 52,605 | 118,149 | 105,140
Advanced Technology Services (ATS) Development | Point-in-Time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 1,276 | 3,737 | 6,221 | 9,773
Advanced Technology Services (ATS) Development | Over Time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 61,937 | 48,090 | 111,928 | 93,422
Time-and-materials and cost-plus-fixed-fee contracts |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Lease Revenue Per Topic 842 | 0 | 0 | 0 | 0
Revenue | 22,685 | 36,566 | 50,610 | 73,645
Time-and-materials and cost-plus-fixed-fee contracts | Point-in-Time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 0 | 0 | 0 | 1,204
Time-and-materials and cost-plus-fixed-fee contracts | Over Time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 22,685 | 36,566 | 50,610 | 72,441
Fixed price contracts |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Lease Revenue Per Topic 842 | 0 | 0 | 0 | 0
Revenue | 40,528 | 15,261 | 67,539 | 29,550
Fixed price contracts | Point-in-Time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 1,276 | 3,737 | 6,221 | 8,569
Fixed price contracts | Over Time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 39,252 | 11,524 | 61,318 | 20,981
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Lease Revenue Per Topic 842 |  | 778 |  | 1,945
Revenue |  | 778 |  | 1,945
Other | Point-in-Time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue |  | 0 |  | 0
Other | Over Time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue |  | 0 |  | 0
Wafer Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Lease Revenue Per Topic 842 | 395 | 0 | 764 | 0
Revenue | 91,368 | 5,411 | 187,216 | 12,938
Wafer Services | Point-in-Time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 0 | 296 | 0 | 380
Wafer Services | Over Time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 90,973 | 5,115 | 186,452 | 12,558
Tools |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Lease Revenue Per Topic 842 | 0 | 0 | 0 | 0
Revenue | 1,796 | 1,047 | 11,698 | 2,281
Tools | Point-in-Time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | 1,796 | 1,047 | 11,698 | 2,281
Tools | Over Time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Topic 606 Revenue | $ 0 | $ 0 | $ 0 | $ 0

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