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Financial Instruments and Derivatives (Tables) | 3 Months Ended
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Apr. 03, 2016
Schedule of Fair Value of Financial Assets and Liabilities Measured on Recurring Basis | The following table sets forth by fair value hierarchy Teradyne’s financial assets and liabilities that were measured at fair value on a recurring basis as of April 3, 2016 and December 31, 2015.
|  | April 3, 2016 |
|  | Quoted Prices in Active Markets for Identical Instruments (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |  |  | Total |
|  | (in thousands) |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash |  | $ | 227,046 |  |  | $ | — |  |  | $ | — |  |  | $ | 227,046 |
Cash equivalents |  |  | 92,010 |  |  |  | 302 |  |  |  | — |  |  |  | 92,312 |
Available-for-sale securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  |  | — |  |  |  | 399,277 |  |  |  | — |  |  |  | 399,277 |
Corporate debt securities |  |  | — |  |  |  | 161,590 |  |  |  | — |  |  |  | 161,590 |
Commercial paper |  |  | — |  |  |  | 36,592 |  |  |  | — |  |  |  | 36,592 |
U.S. government agency securities |  |  | — |  |  |  | 26,160 |  |  |  | — |  |  |  | 26,160 |
Certificates of deposit and time deposits |  |  | — |  |  |  | 15,653 |  |  |  | — |  |  |  | 15,653 |
Equity and debt mutual funds |  |  | 16,369 |  |  |  | — |  |  |  | — |  |  |  | 16,369 |
Non-U.S. government securities |  |  | — |  |  |  | 434 |  |  |  | — |  |  |  | 434 |
Total |  | $ | 335,425 |  |  | $ | 640,008 |  |  | $ | — |  |  | $ | 975,433 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent consideration |  | $ | — |  |  | $ | — |  |  | $ | 23,609 |  |  | $ | 23,609 |
Derivative liabilities |  |  | — |  |  |  | 193 |  |  |  | — |  |  |  | 193 |
Total |  | $ | — |  |  | $ | 193 |  |  | $ | 23,609 |  |  | $ | 23,802 |
Reported as follows:
|  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |  |  | Total |
|  | (in thousands) |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 319,056 |  |  | $ | 302 |  |  | $ | — |  |  | $ | 319,358 |
Marketable securities |  |  | — |  |  |  | 410,003 |  |  |  | — |  |  |  | 410,003 |
Long-term marketable securities |  |  | 16,369 |  |  |  | 229,703 |  |  |  | — |  |  |  | 246,072 |
|  | $ | 335,425 |  |  | $ | 640,008 |  |  | $ | — |  |  | $ | 975,433 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other current liabilities |  | $ | — |  |  | $ | 193 |  |  | $ | — |  |  | $ | 193 |
Contingent consideration |  |  | — |  |  |  | — |  |  |  | 500 |  |  |  | 500 |
Long-term contingent consideration |  |  | — |  |  |  | — |  |  |  | 23,109 |  |  |  | 23,109 |
|  | $ | — |  |  | $ | 193 |  |  | $ | 23,609 |  |  | $ | 23,802 |
|  | December 31, 2015 |
|  | Quoted Prices in Active Markets for Identical Instruments (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |  |  | Total |
|  | (in thousands) |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash |  | $ | 213,336 |  |  | $ | — |  |  | $ | — |  |  | $ | 213,336 |
Cash equivalents |  |  | 49,241 |  |  |  | 2,128 |  |  |  | — |  |  |  | 51,369 |
Available for sale securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  |  | — |  |  |  | 419,958 |  |  |  | — |  |  |  | 419,958 |
Corporate debt securities |  |  | — |  |  |  | 161,634 |  |  |  | — |  |  |  | 161,634 |
U.S. government agency securities |  |  | — |  |  |  | 83,952 |  |  |  | — |  |  |  | 83,952 |
Certificates of deposit and time deposits |  |  | — |  |  |  | 43,394 |  |  |  | — |  |  |  | 43,394 |
Commercial paper |  |  | — |  |  |  | 20,308 |  |  |  | — |  |  |  | 20,308 |
Equity and debt mutual funds |  |  | 13,954 |  |  |  | — |  |  |  | — |  |  |  | 13,954 |
Non-U.S. government securities |  |  | — |  |  |  | 424 |  |  |  | — |  |  |  | 424 |
Total |  | $ | 276,531 |  |  | $ | 731,798 |  |  | $ | — |  |  | $ | 1,008,329 |
Derivative assets |  |  | — |  |  |  | 109 |  |  |  | — |  |  |  | 109 |
Total |  | $ | 276,531 |  |  | $ | 731,907 |  |  | $ | — |  |  | $ | 1,008,438 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent consideration |  | $ | — |  |  | $ | — |  |  | $ | 37,436 |  |  | $ | 37,436 |
Derivative liabilities |  |  | — |  |  |  | 146 |  |  |  | — |  |  |  | 146 |
Total |  | $ | — |  |  | $ | 146 |  |  | $ | 37,436 |  |  | $ | 37,582 |
Reported as follows:
|  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |  |  | Total |
|  | (in thousands) |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 262,577 |  |  | $ | 2,128 |  |  | $ | — |  |  | $ | 264,705 |
Marketable securities |  |  | — |  |  |  | 477,696 |  |  |  | — |  |  |  | 477,696 |
Long-term marketable securities |  |  | 13,954 |  |  |  | 251,974 |  |  |  | — |  |  |  | 265,928 |
Prepayments |  |  | — |  |  |  | 109 |  |  |  | — |  |  |  | 109 |
|  | $ | 276,531 |  |  | $ | 731,907 |  |  | $ | — |  |  | $ | 1,008,438 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other current liabilities |  | $ | — |  |  | $ | 146 |  |  | $ | — |  |  | $ | 146 |
Contingent consideration |  |  | — |  |  |  | — |  |  |  | 15,500 |  |  |  | 15,500 |
Long-term contingent consideration |  |  | — |  |  |  | — |  |  |  | 21,936 |  |  |  | 21,936 |
|  | $ | — |  |  | $ | 146 |  |  | $ | 37,436 |  |  | $ | 37,582 |
Schedule of Changes in Fair Value of Level 3 Contingent Consideration | Changes in the fair value of Level 3 contingent consideration for the three months ended April 3, 2016 and April 5, 2015 were as follows:
|  | For the Three Months Ended |
|  | April 3, 2016 |  |  | April 5, 2015 |
|  | (in thousands) |
Balance at beginning of period |  | $ | 37,436 |  |  | $ | 3,350 |
Payments (a) |  |  | (15,000 | ) |  |  | — |
Fair value adjustment (b) |  |  | 1,173 |  |  |  | — |
Balance at end of period |  | $ | 23,609 |  |  | $ | 3,350 |
(a) | In the three months ended April 3, 2016, based on Universal Robots’ calendar year 2015 EBITDA results, Teradyne paid $15 million or 100% of the eligible EBITDA contingent consideration amount.
(b) | In the three months ended April 3, 2016, the fair value of contingent consideration for the earn-out in connection with the acquisition of Universal Robots was increased by $1.2 million primarily due to a lower discount rate.
Quantitative Information Associated With Fair Value Measurement of Level 3 Financial Instrument | The following table provides quantitative information associated with the fair value measurement of Teradyne’s Level 3 financial instruments:
Liability |  | April 3, 2016 Fair Value |  | Valuation Technique |  | Unobservable Inputs |  | Weighted Average |
|  | (in thousands) |  |  |  |  |  |  |
Contingent consideration (Universal Robots) |  | $16,349 |  | Monte Carlo Simulation |  | Revenue for the period July 1, 2015—December 31, 2017 volatility |  |  | 15.4 | %
|  |  | Discount Rate |  |  | 4.7 | %
|  | $6,760 |  | Monte Carlo Simulation |  | Revenue for the period July 1, 2015—December 31, 2018 volatility |  |  | 15.4 | %
|  |  |  |  |  | Discount Rate |  |  | 4.7 | %
Contingent consideration (AIT) |  | $500 |  | Income approach- discounted cash flow |  | Revenue for calendar year 2016 probability Discount rate |  |  | 48 4.7 | % %
Schedule of Carrying Amounts and Fair Values of Financial Instruments | The carrying amounts and fair values of Teradyne’s financial instruments at April 3, 2016 and December 31, 2015 were as follows:
|  | April 3, 2016 |  |  | December 31, 2015 |
|  | Carrying Value |  |  | Fair Value |  |  | Carrying Value |  |  | Fair Value |
|  | (in thousands) |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 319,358 |  |  | $ | 319,358 |  |  | $ | 264,705 |  |  | $ | 264,705 |
Marketable securities |  |  | 656,075 |  |  |  | 656,075 |  |  |  | 743,624 |  |  |  | 743,624 |
Derivative assets |  |  | — |  |  |  | — |  |  |  | 109 |  |  |  | 109 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent consideration |  |  | 23,609 |  |  |  | 23,609 |  |  |  | 37,436 |  |  |  | 37,436 |
Derivative liabilities |  |  | 193 |  |  |  | 193 |  |  |  | 146 |  |  |  | 146 |
Schedule of Available-for-Sale Marketable Securities | The following tables summarize the composition of available-for-sale marketable securities at April 3, 2016 and December 31, 2015:
|  | April 3, 2016 |
|  | Available-for-Sale |  |  | Fair Market Value of Investments with Unrealized Losses |
|  | Cost |  |  | Unrealized Gain |  |  | Unrealized (Loss) |  |  | Fair Market Value |  |
|  | (in thousands) |
U.S. Treasury securities |  | $ | 398,832 |  |  | $ | 620 |  |  | $ | (175 | ) |  | $ | 399,277 |  |  | $ | 204,136 |
Corporate debt securities |  |  | 161,005 |  |  |  | 1,861 |  |  |  | (1,276 | ) |  |  | 161,590 |  |  |  | 73,165 |
Commercial paper |  |  | 36,563 |  |  |  | 29 |  |  |  | — |  |  |  | 36,592 |  |  |  | 6,475 |
U.S. government agency securities |  |  | 26,107 |  |  |  | 57 |  |  |  | (4 | ) |  |  | 26,160 |  |  |  | 9,747 |
Equity and debt mutual funds |  |  | 15,110 |  |  |  | 1,328 |  |  |  | (69 | ) |  |  | 16,369 |  |  |  | 746 |
Certificates of deposit and time deposits |  |  | 15,651 |  |  |  | 2 |  |  |  | — |  |  |  | 15,653 |  |  |  | — |
Non-U.S. government securities |  |  | 434 |  |  |  | — |  |  |  | — |  |  |  | 434 |  |  |  | — |
|  | $ | 653,702 |  |  | $ | 3,897 |  |  | $ | (1,524 | ) |  | $ | 656,075 |  |  | $ | 294,269 |
Reported as follows:
|  | Cost |  |  | Unrealized Gain |  |  | Unrealized (Loss) |  |  | Fair Market Value |  |  | Fair Market Value of Investments with Unrealized Losses |
|  | (in thousands) |
Marketable securities |  | $ | 409,971 |  |  | $ | 146 |  |  | $ | (114 | ) |  | $ | 410,003 |  |  | $ | 204,024 |
Long-term marketable securities |  |  | 243,731 |  |  |  | 3,751 |  |  |  | (1,410 | ) |  |  | 246,072 |  |  |  | 90,245 |
|  | $ | 653,702 |  |  | $ | 3,897 |  |  | $ | (1,524 | ) |  | $ | 656,075 |  |  | $ | 294,269 |
|  | December 31, 2015 |
|  | Available-for-Sale |  |  | Fair Market Value of Investments with Unrealized Losses |
|  | Cost |  |  | Unrealized Gain |  |  | Unrealized (Loss) |  |  | Fair Market Value |  |
|  | (in thousands) |
U.S. Treasury securities |  | $ | 421,060 |  |  | $ | 65 |  |  | $ | (1,167 | ) |  | $ | 419,958 |  |  | $ | 379,434 |
Corporate debt securities |  |  | 163,297 |  |  |  | 902 |  |  |  | (2,565 | ) |  |  | 161,634 |  |  |  | 145,373 |
U.S. government agency securities |  |  | 84,032 |  |  |  | 42 |  |  |  | (122 | ) |  |  | 83,952 |  |  |  | 55,120 |
Certificates of deposit and time deposits |  |  | 43,391 |  |  |  | 6 |  |  |  | (3 | ) |  |  | 43,394 |  |  |  | 10,527 |
Commercial paper |  |  | 20,298 |  |  |  | 11 |  |  |  | (1 | ) |  |  | 20,308 |  |  |  | 8,646 |
Equity and debt mutual funds |  |  | 12,996 |  |  |  | 1,119 |  |  |  | (161 | ) |  |  | 13,954 |  |  |  | 2,560 |
Non-U.S. government securities |  |  | 424 |  |  |  | — |  |  |  | — |  |  |  | 424 |  |  |  | — |
|  | $ | 745,498 |  |  | $ | 2,145 |  |  | $ | (4,019 | ) |  | $ | 743,624 |  |  | $ | 601,660 |
Reported as follows:
|  | Cost |  |  | Unrealized Gain |  |  | Unrealized (Loss) |  |  | Fair Market Value |  |  | Fair Market Value of Investments with Unrealized Losses |
|  | (in thousands) |
Marketable securities |  | $ | 478,306 |  |  | $ | 38 |  |  | $ | (648 | ) |  | $ | 477,696 |  |  | $ | 374,785 |
Long-term marketable securities |  |  | 267,192 |  |  |  | 2,107 |  |  |  | (3,371 | ) |  |  | 265,928 |  |  |  | 226,875 |
|  | $ | 745,498 |  |  | $ | 2,145 |  |  | $ | (4,019 | ) |  | $ | 743,624 |  |  | $ | 601,660 |
Contractual Maturities of Investments Held | The contractual maturities of investments held at April 3, 2016 were as follows:
|  | April 3, 2016 |
|  | Cost |  |  | Fair Market Value |
|  | (in thousands) |
Due within one year |  | $ | 409,971 |  |  | $ | 410,003 |
Due after 1 year through 5 years |  |  | 184,645 |  |  |  | 184,852 |
Due after 5 years through 10 years |  |  | 4,432 |  |  |  | 4,546 |
Due after 10 years |  |  | 39,544 |  |  |  | 40,305 |
Total |  | $ | 638,592 |  |  | $ | 639,706 |
Schedule of Derivative Instruments in Statement of Financial Position at Fair Value | The following table summarizes the fair value of derivative instruments at April 3, 2016 and December 31, 2015:
|  | Balance Sheet Location |  | April 3, 2016 |  |  | December 31, 2015 |
|  |  |  | (in thousands) |
Derivatives not designated as hedging instruments: |  |  |  |  |  |  |  |  |  |
Foreign exchange contracts assets |  | Prepayments |  | $ | — |  |  | $ | 109 |
Foreign exchange contracts liabilities |  | Other current liabilities |  |  | (193 | ) |  |  | (146 | )
Total derivatives |  |  |  | $ | (193 | ) |  | $ | (37 | )
Schedule of Effect of Derivative Instruments on Statement of Operations Recognized | The following table summarizes the effect of derivative instruments recognized in the statement of operations during the three months ended April 3, 2016 and April 5, 2015. The table does not reflect the corresponding gains and losses from the remeasurement of monetary assets and liabilities denominated in foreign currencies. For the three months ended April 3, 2016 and April 5, 2015, net gains from the remeasurement of monetary assets and liabilities denominated in foreign currencies were $3.4 million and $4.3 million, respectively.
|  | Location of (Gains) Losses Recognized in Statement of Operations |  | For the Three Months Ended |
|  | April 3, 2016 |  |  | April 5, 2015 |
|  |  |  | (in thousands) |
Derivatives not designated as hedging instruments: |  |  |  |  |  |  |  |  |  |
Foreign exchange contracts |  | Other (income) expense, net |  | $ | 3,298 |  |  | $ | 3,425 |
Total Derivatives |  |  |  | $ | 3,298 |  |  | $ | 3,425 |

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