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CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Net revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Products | $ 179,063 | [1],[2],[3] | $ 393,037 | [4] | $ 480,578 | [5] | $ 330,891 | [6] | $ 228,212 | [7],[8] | $ 274,944 | [9] | $ 341,316 | [10] | $ 315,719 | [11] | $ 1,383,569 |  | $ 1,160,191 |  | $ 1,330,942 |
Services | 69,341 | [1],[2],[3] | 70,357 | [4] | 67,706 | [5] | 65,777 | [6] | 68,780 | [7],[8] | 69,445 | [9] | 69,203 | [10] | 61,442 | [11] | 273,181 |  | 268,870 |  | 235,220 |
Total net revenues | 248,404 | [1],[2],[3] | 463,394 | [4] | 548,284 | [5] | 396,668 | [6] | 296,992 | [7],[8] | 344,389 | [9] | 410,519 | [10] | 377,161 | [11] | 1,656,750 |  | 1,429,061 |  | 1,566,162 |
Cost of revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cost of products | 92,599 | [1],[2],[3] | 169,782 | [4] | 206,498 | [5] | 174,001 | [6] | 127,477 | [7],[8] | 138,088 | [9] | 160,491 | [10] | 152,880 | [11] | 642,881 |  | 578,936 |  | 589,891 |
Cost of services | 30,400 | [1],[2],[3] | 33,412 | [4] | 32,280 | [5] | 31,741 | [6] | 35,548 | [7],[8] | 35,927 | [9] | 35,438 | [10] | 31,389 | [11] | 127,832 |  | 138,302 |  | 118,688 |
Total cost of revenues | 122,999 | [1],[2],[3] | 203,194 | [4] | 238,778 | [5] | 205,742 | [6] | 163,025 | [7],[8] | 174,015 | [9] | 195,929 | [10] | 184,269 | [11] | 770,713 |  | 717,238 |  | 708,579 |
Gross profit | 125,405 | [1],[2],[3] | 260,200 | [4] | 309,506 | [5] | 190,926 | [6] | 133,967 | [7],[8] | 170,374 | [9] | 214,590 | [10] | 192,892 | [11] | 886,037 |  | 711,823 |  | 857,583 |
Operating expenses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Engineering and development | 61,660 | [1],[2],[3] | 63,055 | [4] | 66,532 | [5] | 60,135 | [6] | 56,364 | [7],[8] | 45,896 | [9] | 48,394 | [10] | 47,144 | [11] | 251,382 |  | 197,798 |  | 191,863 |
Selling and administrative | 70,436 | [1],[2],[3] | 69,921 | [4] | 73,366 | [5] | 67,777 | [6] | 64,943 | [7],[8] | 54,775 | [9] | 58,028 | [10] | 57,573 | [11] | 281,500 |  | 235,319 |  | 225,333 |
Acquired intangible assets amortization | 18,221 | [1],[2],[3] | 18,429 | [4] | 18,429 | [5] | 18,429 | [6] | 19,129 | [7],[8] | 6,754 | [9] | 7,291 | [10] | 7,291 | [11] | 73,508 |  | 40,465 |  | 29,250 |
Restructuring and other | (317) | [1],[2],[3] | 683 | [4] | (6,262) | [5] | (1,825) | [6] | 3,824 | [7],[8] | 1,465 | [9] | 1,041 | [10] | 413 | [11] | (7,721) |  | 6,743 |  | (3,800) |
Total operating expenses | 150,000 | [1],[2],[3] | 152,088 | [4] | 152,065 | [5] | 144,516 | [6] | 144,260 | [7],[8] | 108,890 | [9] | 114,754 | [10] | 112,421 | [11] | 598,669 |  | 480,325 |  | 442,646 |
Income from operations | (24,595) | [1],[2],[3] | 108,112 | [4] | 157,441 | [5] | 46,410 | [6] | (10,293) | [7],[8] | 61,484 | [9] | 99,836 | [10] | 80,471 | [11] | 287,368 |  | 231,498 |  | 414,937 |
Interest income | 1,256 | [1],[2],[3] | 1,067 | [4] | 874 | [5] | 893 | [6] | 878 | [7],[8] | 3,049 | [9] | 1,403 | [10] | 1,287 | [11] | 4,090 |  | 6,617 |  | 5,861 |
Interest expense and other | (6,946) | [1],[2],[3] | (6,154) | [4] | (6,323) | [5] | (6,059) | [6] | (6,134) | [7],[8] | (6,068) | [9] | (5,316) | [10] | (6,176) | [11] | (25,482) |  | (23,694) |  | (24,451) |
Income from continuing operations before income taxes | (30,285) | [1],[2],[3] | 103,025 | [4] | 151,992 | [5] | 41,244 | [6] | (15,549) | [7],[8] | 58,465 | [9] | 95,923 | [10] | 75,582 | [11] | 265,976 | [12],[13] | 214,421 | [12],[13] | 396,347 | [12],[13]
Provision (benefit) for income taxes | (13,742) | [1],[2],[3] | 14,384 | [4] | 40,605 | [5] | 7,680 | [6] | (144,620) | [7],[8] | 1,759 | [9] | 7,839 | [10] | 5,486 | [11] | 48,927 |  | (129,536) |  | 16,655 |
Income from continuing operations | (16,543) | [1],[2],[3] | 88,641 | [4] | 111,387 | [5] | 33,564 | [6] | 129,071 | [7],[8] | 56,706 | [9] | 88,084 | [10] | 70,096 | [11] | 217,049 |  | 343,957 |  | 379,692 |
Income from discontinued operations before income taxes |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,278 | [11] |  |  | 1,278 |  | 5,406 |
(Benefit) provision for income taxes |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 267 | [11] |  |  | (267) |  | 278 |
Income (loss) from discontinued operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,545 | [11] |  |  | 1,545 |  | 5,128 |
Gain on disposal of discontinued operations (net of tax $4,578) |  |  |  |  |  |  |  |  |  |  |  |  | (832) | [10] | 25,203 | [11] |  |  | 24,371 |  |  |
Net income | $ (16,543) | [1],[2],[3] | $ 88,641 | [4] | $ 111,387 | [5] | $ 33,564 | [6] | $ 129,071 | [7],[8] | $ 56,706 | [9] | $ 87,252 | [10] | $ 96,844 | [11] | $ 217,049 |  | $ 369,873 |  | $ 384,820 |
Income from continuing operations per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic | $ (0.09) | [1],[2],[3] | $ 0.47 | [4] | $ 0.60 | [5] | $ 0.18 | [6] | $ 0.70 | [7],[8] | $ 0.31 | [9] | $ 0.48 | [10] | $ 0.38 | [11] | $ 1.16 |  | $ 1.86 |  | $ 2.11 |
Diluted | $ (0.09) | [1],[2],[3] | $ 0.39 | [4] | $ 0.49 | [5] | $ 0.15 | [6] | $ 0.58 | [7],[8] | $ 0.26 | [9] | $ 0.38 | [10] | $ 0.30 | [11] | $ 0.94 |  | $ 1.52 |  | $ 1.73 |
Net income per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic | $ (0.09) | [1],[2],[3] | $ 0.47 | [4] | $ 0.60 | [5] | $ 0.18 | [6] | $ 0.70 | [7],[8] | $ 0.31 | [9] | $ 0.47 | [10] | $ 0.52 | [11] | $ 1.16 |  | $ 2.00 |  | $ 2.14 |
Diluted | $ (0.09) | [1],[2],[3] | $ 0.39 | [4] | $ 0.49 | [5] | $ 0.15 | [6] | $ 0.58 | [7],[8] | $ 0.26 | [9] | $ 0.38 | [10] | $ 0.42 | [11] | $ 0.94 |  | $ 1.63 |  | $ 1.75 |
Weighted average common shares-basic |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 186,878 |  | 184,683 |  | 179,924 |
Weighted average common shares-diluted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 230,246 |  | 226,820 |  | 226,807 |
[1] | Restructuring and other, net includes a ($0.4) million fair value adjustment to decrease LitePoint acquisition contingent consideration.
[2] | In the fourth quarter ended December 31, 2012, we corrected prior period income tax provision (benefit) errors that resulted in a $0.2 million income tax provision. These errors were not individually or in aggregate material to the fourth quarter of 2012 or any prior period.
[3] | In the fourth quarter ended December 31, 2012, the change in recognizing pension and postretirement benefit plans expense, as a result of the mark-to-market adjustments, decreased gross profit and net income by $8.1 million and $18.3 million, respectively. See Note B: "Accounting Policies" for a discussion of our accounting policy.
[4] | Restructuring and other, net includes $0.7 million of severance charges related to the headcount reductions of 9 people, of which $0.5 million and 7 people were in Systems Test Group, $0.2 million and 2 people were in Wireless Test.
[5] | Restructuring and other, net includes $0.3 million of severance charges related to headcount reductions of 10 people in Semiconductor Test and ($6.5) million fair value adjustment to decrease the LitePoint acquisition contingent consideration.
[6] | Restructuring and other, net includes a ($1.8) million fair value adjustment to decrease the LitePoint acquisition contingent consideration.
[7] | Restructuring and other, net includes $0.5 million of charges related to pension settlement and $3.3 million to the acquisition of LitePoint.
[8] | In the fourth quarter ended December 31, 2011, the change in recognizing pension and postretirement benefit plans expense, as a result of the mark-to-market adjustments, decreased gross profit and net income by $2.4 million and $6.1 million, respectively. See Note B: "Accounting Policies" for a discussion of our accounting policy.
[9] | Restructuring and other, net includes $1.4 million of charges related to the acquisition of LitePoint.
[10] | Restructuring and other, net includes $0.3 million of severance charges related to headcount reductions of approximately 2 people in Semiconductor Test and $0.7 million related to pension settlement charges.
[11] | Restructuring and other, net includes $0.8 million of severance charges related to headcount reductions of approximately 5 people in Semiconductor Test and $(0.4) million credit related to early exit of previously impaired leased facilities in Westford and North Reading, Massachusetts.
[12] | Interest income, interest expense and other, and pension and postretirement plans actuarial gains and losses are included in Corporate and Eliminations.
[13] | Included in income (loss) from continuing operations before taxes are charges and credits related to restructuring and other, net and inventory charges.

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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=6880815&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + 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=6880815&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + 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 AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Paragraph 5A -Chapter 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 4 -Article 5 Reference 3: 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=6880815&loc=d3e20235-122688 Reference 4: 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=6386349&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 Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 8 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: 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 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 07-4 -Paragraph 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: 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=7655603&loc=d3e1505-109256 + Details
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