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v3.20.4

Segments and Geographic Information (Tables) | 12 Months Ended
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Dec. 26, 2020
Segment Reporting [Abstract] |
Operating Results by Reportable Segments | The following table summarizes the operating results by reportable segment (dollars in thousands):
| Fiscal 2020
| Probe Cards |  | Systems |  | Corporate and Other |  | Total
Revenues | $ | 581,739 |  |  | $ | 111,877 |  |  | $ | — |  |  | $ | 693,616 |
Gross profit | $ | 263,215 |  |  | $ | 51,835 |  |  | $ | (27,130) |  |  | $ | 287,920 |
Gross margin | 45.2 | % |  | 46.3 | % |  | — | % |  | 41.5 | %
| Fiscal 2019
| Probe Cards |  | Systems |  | Corporate and Other |  | Total
Revenues | $ | 491,363 |  |  | $ | 98,101 |  |  | $ | — |  |  | $ | 589,464 |
Gross profit | $ | 211,382 |  |  | $ | 50,927 |  |  | $ | (24,813) |  |  | $ | 237,496 |
Gross margin | 43.0 | % |  | 51.9 | % |  | — | % |  | 40.3 | %
| Fiscal 2018
| Probe Cards |  | Systems |  | Corporate and Other |  | Total
Revenues | $ | 434,269 |  |  | $ | 95,406 |  |  | $ | — |  |  | $ | 529,675 |
Gross profit | $ | 187,320 |  |  | $ | 47,074 |  |  | $ | (24,055) |  |  | $ | 210,339 |
Gross margin | 43.1 | % |  | 49.3% |  | — | % |  | 39.7 | %
Summary of Revenue by Geographic Region | The following table summarizes revenue, by geographic region, as a percentage of total revenues based upon ship-to location:
| Fiscal Year Ended
| December 26, 2020 |  | December 28, 2019 |  | December 29, 2018
China | 25.2 | % |  | 18.0 | % |  | 14.7 | %
Taiwan | 21.7 |  |  | 14.7 |  |  | 20.3 |
United States | 18.4 |  |  | 26.3 |  |  | 25.2 |
South Korea | 12.5 |  |  | 19.8 |  |  | 17.2 |
Europe | 9.5 |  |  | 7.0 |  |  | 7.5 |
Japan | 6.3 |  |  | 8.9 |  |  | 9.4 |
Asia-Pacific (1) | 4.8 |  |  | 3.7 |  |  | 4.9 |
Rest of World | 1.6 |  |  | 1.6 |  |  | 0.8 |
Total Revenues | 100.0 | % |  | 100.0 | % |  | 100.0 | %
(1)Asia-Pacific includes all countries in the region except Taiwan, South Korea, China, and Japan, which are disclosed separately.
Summary of Revenue by Market | The following table summarizes revenue by market (in thousands):
| Fiscal Year Ended
| December 26, 2020 |  | December 28, 2019 |  | December 29, 2018
Foundry & Logic | $ | 446,183 |  |  | $ | 318,552 |  |  | $ | 258,459 |
DRAM | 109,734 |  |  | 147,257 |  |  | 135,333 |
Flash | 25,822 |  |  | 25,554 |  |  | 40,477 |
Systems | 111,877 |  |  | 98,101 |  |  | 95,406 |
Total revenues | $ | 693,616 |  |  | $ | 589,464 |  |  | $ | 529,675 |
Summary of Revenue by Timing of Recognition | The following table summarizes revenue by timing of revenue recognition (in thousands):
| Fiscal Year Ended
| December 26, 2020 |  | December 28, 2019 |  | December 29, 2018
| Probe Cards |  | Systems |  | Total |  | Probe Cards |  | Systems |  | Total |  | Probe Cards |  | Systems |  | Total
Products transferred at a point in time | $ | 579,569 |  |  | $ | 104,858 |  |  | $ | 684,427 |  |  | $ | 488,925 |  |  | $ | 93,837 |  |  | $ | 582,762 |  |  | $ | 432,033 |  |  | $ | 91,514 |  |  | $ | 523,547 |
Services transferred over time | 2,170 |  |  | 7,019 |  |  | 9,189 |  |  | 2,438 |  |  | 4,264 |  |  | 6,702 |  |  | 2,236 |  |  | 3,892 |  |  | 6,128 |
Total | $ | 581,739 |  |  | $ | 111,877 |  |  | $ | 693,616 |  |  | $ | 491,363 |  |  | $ | 98,101 |  |  | $ | 589,464 |  |  | $ | 434,269 |  |  | $ | 95,406 |  |  | $ | 529,675 |
Long-lived Assets by Location | Long-lived assets, comprised of Operating lease, right-of-use-assets, Property, plant and equipment, net, Goodwill and Intangibles, net, reported based on the location of the asset was as follows (in thousands):
| December 26, 2020 |  | December 28, 2019 |  | December 29, 2018
United States | $ | 347,654 |  |  | $ | 287,600 |  |  | $ | 280,405 |
Europe | 51,791 |  |  | 52,309 |  |  | 26,118 |
Asia-Pacific | 7,322 |  |  | 7,064 |  |  | 4,385 |
Total | $ | 406,767 |  |  | $ | 346,973 |  |  | $ | 310,908 |

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8813-108599 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599 + Details
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