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Segment Information (Tables) | 6 Months Ended
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Jul. 05, 2015
Segment Information | Segment information for the three and six months ended July 5, 2015 and June 29, 2014 is as follows:
|  | Semiconductor Test |  |  | Wireless Test |  |  | System Test |  |  | Industrial Automation |  |  | Corporate and Eliminations |  |  | Consolidated |
|  | (in thousands) |
Three months ended July 5, 2015: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 400,315 |  |  | $ | 62,879 |  |  | $ | 45,822 |  |  | $ | 3,723 |  |  | $ | — |  |  | $ | 512,739 |
Income (loss) before income taxes (1)(2) |  |  | 129,546 |  |  |  | 6,841 |  |  |  | (4,333 | ) |  |  | (1,700 | ) |  |  | 1,782 |  |  |  | 132,136 |
Total assets (3) |  |  | 649,087 |  |  |  | 485,857 |  |  |  | 95,544 |  |  |  | 358,276 |  |  |  | 1,104,043 |  |  |  | 2,692,807 |
Three months ended June 29, 2014: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 421,434 |  |  | $ | 68,699 |  |  | $ | 35,434 |  |  | $ | — |  |  | $ | — |  |  | $ | 525,567 |
Income (loss) before income taxes (1)(2) |  |  | 107,270 |  |  |  | 14,229 |  |  |  | (715 | ) |  |  | — |  |  |  | 608 |  |  |  | 121,392 |
Total assets (3) |  |  | 747,492 |  |  |  | 638,012 |  |  |  | 71,644 |  |  |  | — |  |  |  | 1,173,515 |  |  |  | 2,630,663 |
Six months ended July 5, 2015: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 671,232 |  |  | $ | 96,927 |  |  | $ | 83,258 |  |  | $ | 3,723 |  |  | $ | — |  |  | $ | 855,140 |
Income (loss) before income taxes (1)(2) |  |  | 172,671 |  |  |  | (3,600 | ) |  |  | (3,328 | ) |  |  | (1,700 | ) |  |  | 10,531 |  |  |  | 174,574 |
Total assets (3) |  |  | 649,087 |  |  |  | 485,857 |  |  |  | 95,544 |  |  |  | 358,276 |  |  |  | 1,104,043 |  |  |  | 2,692,807 |
Six months ended June 29, 2014: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 683,171 |  |  | $ | 89,909 |  |  | $ | 73,497 |  |  | $ | — |  |  | $ | — |  |  | $ | 846,577 |
Income (loss) before income taxes (1)(2) |  |  | 141,870 |  |  |  | (10,856 | ) |  |  | (267 | ) |  |  | — |  |  |  | (11,228 | ) |  |  | 119,519 |
Total assets (3) |  |  | 747,492 |  |  |  | 638,012 |  |  |  | 71,644 |  |  |  | — |  |  |  | 1,173,515 |  |  |  | 2,630,663 |
(1) | Interest income, interest expense, and other (income) expense, net are included in Corporate and Eliminations.
(2) | Included in the income (loss) before income taxes for each of the segments are charges related to inventory and other.
(3) | Total business assets are directly attributable to each business. Corporate assets consist of cash and cash equivalents, marketable securities and certain other assets.
Wireless Test |
Schedule of Segment Reporting Information by Segment Charges | Included in the Wireless Test segment are charges in the following line items in the statements of operations:
|  | For the Three Months Ended |  |  | For the Six Months Ended |
|  | July 5, 2015 |  |  | June 29, 2014 |  |  | July 5, 2015 |  |  | June 29, 2014 |
|  | (in thousands) |
Cost of revenues—inventory charge |  | $ | 330 |  |  | $ | 879 |  |  | $ | 1,176 |  |  | $ | 3,972 |
Restructuring and other |  |  | — |  |  |  | 426 |  |  |  | — |  |  |  | 426 |
Total |  | $ | 330 |  |  | $ | 1,305 |  |  | $ | 1,176 |  |  | $ | 4,398 |
System Test |
Schedule of Segment Reporting Information by Segment Charges | Included in the System Test segment are charges in the following line items in the statements of operations:
|  | For the Three Months Ended |  |  | For the Six Months Ended |
|  | July 5, 2015 |  |  | June 29, 2014 |  |  | July 5, 2015 |  |  | June 29, 2014 |
|  | (in thousands) |
Cost of revenues—inventory charge |  | $ | 7,702 |  |  | $ | 440 |  |  | $ | 7,765 |  |  | $ | 1,181 |
Restructuring and other |  |  | — |  |  |  | 146 |  |  |  | — |  |  |  | 146 |
Total |  | $ | 7,702 |  |  | $ | 586 |  |  | $ | 7,765 |  |  | $ | 1,327 |
Industrial Automation |
Schedule of Segment Reporting Information by Segment Charges | Included in the Industrial Automation segment are charges in the following line item in the statements of operations:
|  | For the Three Months Ended |  |  | For the Six Months Ended |
|  | July 5, 2015 |  |  | June 29, 2014 |  |  | July 5, 2015 |  |  | June 29, 2014 |
|  | (in thousands) |
Cost of revenues—inventory step-up (1) |  | $ | 595 |  |  | $ | — |  |  | $ | 595 |  |  | $ | — |
Total |  | $ | 595 |  |  | $ | — |  |  | $ | 595 |  |  | $ | — |
Semiconductor Test |
Schedule of Segment Reporting Information by Segment Charges | Included in the Semiconductor Test segment are charges in the following line items in the statements of operations:
|  | For the Three Months Ended |  |  | For the Six Months Ended |
|  | July 5, 2015 |  |  | June 29, 2014 |  |  | July 5, 2015 |  |  | June 29, 2014 |
|  | (in thousands) |
Cost of revenues—inventory charge |  | $ | 6,409 |  |  | $ | 3,713 |  |  | $ | 6,940 |  |  | $ | 9,918 |
Restructuring and other |  |  | 305 |  |  |  | — |  |  |  | 305 |  |  |  | — |
Total |  | $ | 6,714 |  |  | $ | 3,713 |  |  | $ | 7,245 |  |  | $ | 9,918 |
Corporate And Eliminations |
Schedule of Segment Reporting Information by Segment Charges | Included in Corporate and Eliminations are charges and credits in the following line items in the statements of operations:
|  | For the Three Months Ended |  |  | For the Six Months Ended |
|  | July 5, 2015 |  |  | June 29, 2014 |  |  | July 5, 2015 |  |  | June 29, 2014 |
|  | (in thousands) |
Restructuring and other—ZTEC contingent consideration adjustment |  | $ | (1,600 | ) |  | $ | — |  |  | $ | (1,600 | ) |  | $ | — |
Other (income) expense, net—gain from the sale of an equity investment |  |  | (624 | ) |  |  | — |  |  |  | (5,406 | ) |  |  | — |
Restructuring and other—Universal Robots acquisition costs |  |  | 960 |  |  |  | — |  |  |  | 960 |  |  |  | — |
Selling and administrative—stock-based compensation expense (2) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 6,598 |
Total |  | $ | (1,264 | ) |  | $ | — |  |  | $ | (6,046 | ) |  | $ | 6,598 |
(1) | Included in the cost of revenues for the three and six months ended July 5, 2015 is the cost for purchase accounting inventory step-up.
(2) | Expense related to the January 2014 retirement of Teradyne’s former chief executive officer; see Note J: “Stock-Based Compensation”.

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