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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | Oct. 02, 2016 | [2],[3] | Jul. 03, 2016 | [2],[4] | Apr. 03, 2016 | [2],[5] | Dec. 31, 2015 | [6],[7] | Oct. 04, 2015 | [8] | Jul. 05, 2015 | [9] | Apr. 05, 2015 | Dec. 31, 2014 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Products | $ 303,667 | [1],[2] | $ 334,610 | $ 456,832 | $ 358,139 | $ 244,510 | $ 386,488 | $ 437,243 | $ 272,325 |  | $ 1,453,248 |  | $ 1,340,566 |  | $ 1,364,024 |
Services | 76,322 | [1],[2] | 75,865 | 74,960 | 72,855 | 73,934 | 79,506 | 75,496 | 70,076 |  | 300,002 |  | 299,012 |  | 283,800 |
Total revenues | 379,989 | [1],[2] | 410,475 | 531,792 | 430,994 | 318,444 | 465,994 | 512,739 | 342,401 |  | 1,753,250 | [10] | 1,639,578 | [10] | 1,647,824 | [10]
Cost of revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cost of products | 127,481 | [1],[2] | 148,266 | 215,795 | 167,555 | 120,322 | 170,963 | 181,491 | 118,996 |  | 659,097 |  | 591,772 |  | 640,787 |
Cost of services | 33,502 | [1],[2] | 34,850 | 33,127 | 33,107 | 32,096 | 36,405 | 32,680 | 30,982 |  | 134,586 |  | 132,163 |  | 128,229 |
Total cost of revenues (exclusive of acquired intangible assets amortization shown separately below) | 160,983 | [1],[2] | 183,116 | 248,922 | 200,662 | 152,418 | 207,368 | 214,171 | 149,978 |  | 793,683 |  | 723,935 |  | 769,016 |
Gross profit | 219,006 | [1],[2] | 227,359 | 282,870 | 230,332 | 166,026 | 258,626 | 298,568 | 192,423 |  | 959,567 |  | 915,643 |  | 878,808 |
Operating expenses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Engineering and development | 70,052 | [1],[2] | 71,400 | 76,109 | 73,464 | 70,941 | 74,027 | 75,832 | 71,450 |  | 291,025 |  | 292,250 |  | 291,639 |
Selling and administrative | 76,289 | [1],[2] | 78,794 | 81,425 | 79,174 | 79,718 | 77,481 | 77,073 | 72,041 |  | 315,682 |  | 306,313 |  | 319,713 |
Acquired intangible assets amortization | 7,923 | [1],[2] | 8,487 | 16,244 | 19,994 | 19,911 | 20,053 | 15,258 | 13,808 |  | 52,648 |  | 69,031 |  | 70,771 |
Acquired intangible assets impairment |  |  |  | 83,339 |  |  |  |  |  |  | 83,339 |  | 98,200 |  |  |
Goodwill impairment | 0 |  |  | 254,946 |  |  |  |  |  | $ 98,897 | 254,946 |  | (254,946) |  | 98,897 |
Restructuring and other | 5,570 | [1],[2] | 12,177 | 2,608 | 1,587 | 5,204 | 261 | (385) |  |  | 21,942 |  | 5,080 |  | 1,365 |
Total operating expenses | 159,834 | [1],[2] | 170,858 | 514,671 | 174,219 | 175,774 | 171,822 | 167,778 | 157,299 |  | 1,019,582 |  | 672,674 |  | 782,385 |
(Loss) income from operations | 59,172 | [1],[2] | 56,501 | (231,801) | 56,113 | (9,748) | 86,804 | 130,790 | 35,124 |  | (60,015) |  | 242,969 |  | 96,423 |
Non-operating (income) expenses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest income | (3,095) | [1],[2] | (2,892) | (1,666) | (1,642) | (2,017) | (1,708) | (1,674) | (1,816) |  | (9,296) |  | (7,214) |  | (6,259) |
Interest expense | 1,604 | [1],[2] | 633 | 691 | 710 | 762 | 508 | 444 | 162 |  | 3,637 |  | 1,876 |  | 6,934 |
Other (income) expense, net | 1,779 | [1],[2] | (921) | (9) | (147) | 364 | 596 | (116) | (5,660) |  | 704 |  | (4,817) |  | 372 |
(Loss) income before income taxes | 58,884 | [1],[2] | 59,681 | (230,817) | 57,192 | (8,857) | 87,408 | 132,136 | 42,438 |  | (55,060) | [11],[12] | 253,124 | [11],[12] | 95,376 | [11],[12]
Income tax (benefit) provision | (7,461) | [1],[2] | (4,113) | (7,271) | 7,206 | (8,216) | 15,955 | 29,257 | 9,651 |  | (11,639) |  | 46,647 |  | 14,104 |
Net (loss) income | $ 66,345 | [1],[2] | $ 63,794 | $ (223,546) | $ 49,986 | $ (641) | $ 71,453 | $ 102,879 | $ 32,787 |  | $ (43,421) |  | $ 206,477 |  | $ 81,272 |
Net (loss) income per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic | $ 0.33 | [1],[2] | $ 0.32 | $ (1.10) | $ 0.24 | $ 0.00 | $ 0.34 | $ 0.48 | $ 0.15 |  | $ (0.21) |  | $ 0.98 |  | $ 0.40 |
Diluted | 0.33 | [1],[2] | 0.31 | (1.10) | 0.24 | 0.00 | 0.34 | 0.48 | 0.15 |  | $ (0.21) |  | $ 0.97 |  | $ 0.37 |
Weighted average common shares-basic |  |  |  |  |  |  |  |  |  |  | 202,578 |  | 211,544 |  | 202,908 |
Weighted average common shares-diluted |  |  |  |  |  |  |  |  |  |  | 202,578 |  | 213,321 |  | 222,550 |
Cash dividend declared per common share | $ 0.06 | [1],[2] | $ 0.06 | $ 0.06 | $ 0.06 | $ 0.06 | $ 0.06 | $ 0.06 | $ 0.06 |  | $ 0.24 |  | $ 0.24 |  | $ 0.18 |
[1] | Restructuring and other includes a $5.4 million fair value adjustment to increase the Universal Robots acquisition contingent consideration.
[2] | Teradyne recorded pension and post retirement net actuarial (gains) losses of $(1.2) million, $(0.7) million, $0.7 million and $(2.0) million for the first, second, third and fourth quarter in 2016, respectively. See Note B: "Accounting Policies" for a discussion of Teradyne's accounting policy.
[3] | Restructuring and other includes an $8.0 million fair value adjustment to increase the Universal Robots acquisition contingent consideration.
[4] | Restructuring and other includes $4.2 million for an impairment of fixed assets, $0.9 million for expenses related to an earthquake in Kumamoto, Japan, and $1.4 million for the increase in the fair value of contingent consideration liability of which $0.8 million related to Universal Robots, and $0.6 million related to AIT, partially offset by $5.1 million of property insurance recovery related to the Japan earthquake.
[5] | Restructuring and other includes a $1.2 million fair value adjustment to increase the Universal Robots acquisition contingent consideration.
[6] | In the fourth quarter ended December 31, 2015, Teradyne recorded pension and post retirement net actuarial losses of $17.7 million. See Note B: "Accounting Policies" for a discussion of Teradyne's accounting policy.
[7] | Restructuring and other includes a $5.3 million fair value adjustment to increase the Universal Robots acquisition contingent consideration, and a $(0.3) million fair value adjustment to decrease the AIT acquisition contingent consideration.
[8] | Restructuring and other includes a $(1.0) million fair value adjustment to decrease the AIT acquisition contingent consideration.
[9] | Restructuring and other includes a $(1.6) million fair value adjustment to decrease the ZTEC acquisition contingent consideration.
[10] | Revenues attributable to a country are based on location of customer site.
[11] | Included in income (loss) before taxes are charges and credits related to restructuring and other, inventory charges, goodwill impairment charges and acquired intangible assets impairment charge.
[12] | Interest income, interest expense, other (income) expense, net, contingent consideration adjustments and pension and postretirement plans actuarial gains and losses are included in Corporate and Eliminations.

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- Definition The costs incurred in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, excluding in-process research and development acquired in a business combination consummated during the period. Excludes software research and development, which has a separate concept. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Research and Development -URI http://asc.fasb.org/extlink&oid=6523717 + Details
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- Definition Amount of restructuring charges, remediation cost, and asset impairment loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(a)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(d)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68048583&loc=d3e3636-108311 + Details
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=64863997&loc=d3e1505-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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