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Disaggregated Revenue by Primary Geographical Market, Major Product Line and Timing of Revenue Recognition (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 27, 2020 | Sep. 29, 2019 | Sep. 27, 2020 | Sep. 29, 2019
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | $ 819,484 | [1] | $ 582,038 | [1] | $ 2,362,500 | [2] | $ 1,640,315 | [2]
Semiconductor Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 592,141 |  | 397,737 |  | 1,735,777 |  | 1,113,489 |
System Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 118,169 | [1] | 73,305 | [1] | 306,051 | [2] | 204,934 | [2]
Industrial Automation |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 68,711 |  | 68,892 |  | 187,792 |  | 209,753 |
Wireless Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 40,504 | [1] | 42,264 | [1] | 133,174 | [2] | 112,541 | [2]
Corporate and Other |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | (41) | [1] | (160) | [1] | (294) | [2] | (402) | [2]
Point in Time |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 736,325 | [1] | 510,454 | [1] | 2,124,031 | [2] | 1,424,332 | [2]
Point in Time | System Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 101,045 | [1] | 61,988 | [1] | 259,498 | [2] | 167,500 | [2]
Point in Time | Wireless Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 37,901 | [1] | 39,948 | [1] | 125,304 | [2] | 106,705 | [2]
Point in Time | Corporate and Other |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | (41) | [1] | (160) | [1] | (294) | [2] | (402) | [2]
Over Time |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 83,159 | [1] | 71,584 | [1] | 238,469 | [2] | 215,983 | [2]
Over Time | System Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 17,124 | [1] | 11,317 | [1] | 46,553 | [2] | 37,434 | [2]
Over Time | Wireless Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 2,603 | [1] | 2,316 | [1] | 7,870 | [2] | 5,836 | [2]
Over Time | Corporate and Other |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total |  | [1] |  |  |  | [2] |  |
Americas |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 87,494 | [1] | 78,536 | [1] | 232,840 | [2] | 232,731 | [2]
Americas | System Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 35,140 | [1] | 33,868 | [1] | 91,924 | [2] | 90,591 | [2]
Americas | Wireless Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 5,211 | [1] | 6,344 | [1] | 15,253 | [2] | 14,511 | [2]
Americas | Corporate and Other |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | (41) | [1] | (160) | [1] | (294) | [2] | (402) | [2]
Europe, Middle East and Africa |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 45,447 | [1] | 52,700 | [1] | 147,678 | [2] | 163,744 | [2]
Europe, Middle East and Africa | System Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 4,495 | [1] | 7,178 | [1] | 16,919 | [2] | 19,607 | [2]
Europe, Middle East and Africa | Wireless Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 1,428 | [1] | 1,268 | [1] | 4,345 | [2] | 2,715 | [2]
Europe, Middle East and Africa | Corporate and Other |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total |  | [1] |  |  |  | [2] |  |
Asia Pacific |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 686,543 | [1] | 450,802 | [1] | 1,981,982 | [2] | 1,243,840 | [2]
Asia Pacific | System Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 78,534 | [1] | 32,259 | [1] | 197,208 | [2] | 94,736 | [2]
Asia Pacific | Wireless Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 33,865 | [1] | 34,652 | [1] | 113,576 | [2] | 95,315 | [2]
Asia Pacific | Corporate and Other |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total |  | [1] |  |  |  | [2] |  |
SOC | Semiconductor Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 449,705 | [1] | 324,477 | [1] | 1,423,627 | [2] | 930,290 | [2]
SOC | Point in Time | Semiconductor Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 393,717 | [1] | 273,111 | [1] | 1,261,468 | [2] | 776,589 | [2]
SOC | Over Time | Semiconductor Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 55,988 | [1] | 51,366 | [1] | 162,159 | [2] | 153,701 | [2]
SOC | Americas | Semiconductor Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 17,678 | [1] | 14,804 | [1] | 51,315 | [2] | 46,594 | [2]
SOC | Europe, Middle East and Africa | Semiconductor Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 11,206 | [1] | 12,083 | [1] | 41,849 | [2] | 43,132 | [2]
SOC | Asia Pacific | Semiconductor Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 420,821 | [1] | 297,590 | [1] | 1,330,463 | [2] | 840,564 | [2]
Memory | Semiconductor Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 142,436 | [1] | 73,260 | [1] | 312,150 | [2] | 183,199 | [2]
Memory | Point in Time | Semiconductor Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 137,929 | [1] | 68,510 | [1] | 298,150 | [2] | 169,877 | [2]
Memory | Over Time | Semiconductor Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 4,507 | [1] | 4,750 | [1] | 14,000 | [2] | 13,322 | [2]
Memory | Americas | Semiconductor Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 3,730 | [1] | 4,085 | [1] | 11,481 | [2] | 21,728 | [2]
Memory | Europe, Middle East and Africa | Semiconductor Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 1,420 | [1] | 529 | [1] | 3,990 | [2] | 3,745 | [2]
Memory | Asia Pacific | Semiconductor Test |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 137,286 | [1] | 68,646 | [1] | 296,679 | [2] | 157,726 | [2]
Universal Robots (UR) | Industrial Automation |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 53,209 | [1] | 59,261 | [1] | 146,457 | [2] | 180,510 | [2]
Universal Robots (UR) | Point in Time | Industrial Automation |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 51,523 | [1] | 57,426 | [1] | 140,829 | [2] | 174,820 | [2]
Universal Robots (UR) | Over Time | Industrial Automation |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 1,686 | [1] | 1,835 | [1] | 5,628 | [2] | 5,690 | [2]
Universal Robots (UR) | Americas | Industrial Automation |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 16,527 | [1] | 16,775 | [1] | 42,634 | [2] | 50,557 | [2]
Universal Robots (UR) | Europe, Middle East and Africa | Industrial Automation |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 22,211 | [1] | 26,631 | [1] | 64,158 | [2] | 80,662 | [2]
Universal Robots (UR) | Asia Pacific | Industrial Automation |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 14,471 | [1] | 15,855 | [1] | 39,665 | [2] | 49,291 | [2]
MiR | Industrial Automation |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 10,234 | [1] | 9,631 | [1] | 30,644 | [2] | 29,243 | [2]
MiR | Point in Time | Industrial Automation |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 10,175 | [1] | 9,631 | [1] | 30,468 | [2] | 29,243 | [2]
MiR | Over Time | Industrial Automation |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 59 | [1] |  |  | 176 | [2] |  |
MiR | Americas | Industrial Automation |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 3,981 | [1] | 2,820 | [1] | 9,836 | [2] | 9,152 | [2]
MiR | Europe, Middle East and Africa | Industrial Automation |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 4,687 | [1] | 5,011 | [1] | 16,417 | [2] | 13,883 | [2]
MiR | Asia Pacific | Industrial Automation |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 1,566 | [1] | $ 1,800 | [1] | 4,391 | [2] | $ 6,208 | [2]
Autoguide LLC [Member] | Industrial Automation |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 5,268 | [1] |  |  | 10,691 | [2] |  |
Autoguide LLC [Member] | Point in Time | Industrial Automation |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 4,076 | [1] |  |  | 8,608 | [2] |  |
Autoguide LLC [Member] | Over Time | Industrial Automation |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 1,192 | [1] |  |  | 2,083 | [2] |  |
Autoguide LLC [Member] | Americas | Industrial Automation |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total | 5,268 | [1] |  |  | 10,691 | [2] |  |
Autoguide LLC [Member] | Europe, Middle East and Africa | Industrial Automation |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total |  | [1] |  |  |  | [2] |  |
Autoguide LLC [Member] | Asia Pacific | Industrial Automation |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |
Total |  | [1] |  |  |  | [2] |  |
[1] | Includes $1.7 million and $1.5 million in 2020 and 2019, respectively, for leases of Teradyne’s systems recognized outside Accounting Standards Codification (“ASC”) 606 “Revenue from Contracts with Customers.”
[2] | Includes $6.1 million and $4.9 million in 2020 and 2019, respectively, for leases of Teradyne’s systems recognized outside ASC 606 “Revenue from Contracts with Customers.”

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