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Segment Information (Tables) | 3 Months Ended
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Apr. 04, 2021
Segment Information | Segment information for the three months ended April 4, 2021 and March 29, 2020 is as follows:
|  | Semiconductor Test |  |  | System Test |  |  | Industrial Automation |  |  | Wireless Test |  |  | Corporate and Other |  |  | Consolidated |
|  | (in thousands) |
Three Months Ended April 4, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 528,063 |  |  | $ | 132,837 |  |  | $ | 79,951 |  |  | $ | 40,898 |  |  | $ | (143 | ) |  | $ | 781,606 |
Income (loss) before income taxes (1)(2) |  |  | 176,368 |  |  |  | 51,061 |  |  |  | (12,967 | ) |  |  | 9,616 |  |  |  | (85 | ) |  |  | 223,993 |
Total assets (3) |  |  | 1,243,358 |  |  |  | 179,195 |  |  |  | 672,596 |  |  |  | 104,367 |  |  |  | 1,520,201 |  |  |  | 3,719,717 |
Three Months Ended March 29, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 484,489 |  |  | $ | 116,076 |  |  | $ | 60,305 |  |  | $ | 43,485 |  |  | $ | — |  |  | $ | 704,355 |
Income (loss) before income taxes (1)(2) |  |  | 153,816 |  |  |  | 48,407 |  |  |  | (15,335 | ) |  |  | 10,220 |  |  |  | (39 | ) |  |  | 197,069 |
Total assets (3) |  |  | 921,108 |  |  |  | 137,056 |  |  |  | 643,011 |  |  |  | 106,400 |  |  |  | 1,012,813 |  |  |  | 2,820,388 |
(1) | Included in Corporate and Other are: contingent consideration adjustments, loss on convertible debt conversions, interest income, interest expense, net foreign exchange gains (losses), pension, intercompany eliminations and acquisition related charges, legal fees and compensation.
(2) | Included in income (loss) before taxes are charges and credits related to restructuring and other, loss on convertible debt conversions and inventory charges.
(3) | Total assets are attributable to each segment. Corporate assets consist of cash and cash equivalents, marketable securities and certain other assets.
Schedule of Segment Reporting Information by Segment Charges | Included in each segment are charges and credits in the following line items in the statements of operations:
|  | For the Three Months Ended |
|  | April 4, 2021 |  |  | March 29, 2020 |
|  | (in thousands) |
Semiconductor Test: |  |  |  |  |  |  |  |
Cost of revenues—inventory charge |  | $ | 1,079 |  |  | $ | 3,026 |
Industrial Automation: |  |  |  |  |  |  |  |
Cost of revenues—inventory charge |  | $ | 1,221 |  |  | $ | — |
Restructuring and other—acquisition related expenses and compensation |  |  | — |  |  |  | 618 |
Corporate and Other: |  |  |  |  |  |  |  |
Restructuring and other—AutoGuide contingent consideration adjustment |  | $ | (7,227 | ) |  | $ | (7,142 | )
Other (income) expense, net—loss on convertible debt conversions |  |  | 4,069 |  |  |  | — |
Restructuring and other—acquisition related expenses and compensation |  |  | (513 | ) |  |  | 741 |
Restructuring and other—MiR contingent consideration adjustment |  |  | — |  |  |  | (2,878 | )

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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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