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Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 04, 2015 | Sep. 28, 2014 | Oct. 04, 2015 | Sep. 28, 2014
Income Statement [Abstract] |  |  |  |
Revenue | $ 107,587 | $ 154,356 | $ 352,789 | $ 327,948
Cost of revenue | 26,319 | 37,712 | 79,171 | 72,455
Gross margin | 81,268 | 116,644 | 273,618 | 255,493
Research, development, and engineering expenses | 16,977 | 17,532 | 52,265 | 41,625
Selling, general, and administrative expenses | 35,806 | 43,773 | 118,980 | 111,103
Operating income | 28,485 | 55,339 | 102,373 | 102,765
Foreign currency gain (loss) | (40) | 794 | 580 | 610
Investment income | 841 | 776 | 2,648 | 2,364
Other income (expense) | (23) | 202 | (388) | (146)
Income from continuing operations before income tax expense | 29,263 | 57,111 | 105,213 | 105,593
Income tax expense on continuing operations | 3,441 | 9,430 | 16,403 | 17,422
Income from continuing operations, net of tax | 25,822 | 47,681 | 88,810 | 88,171
Pretax income from discontinued operations | 0 | 2,719 | 1,228 | 6,683
Gain on sale of discontinued business, net of tax | 78,290 | 0 | 78,290 | 0
Discontinued operations, net of tax | 78,290 | 2,719 | 79,518 | 6,683
Net Income | $ 104,112 | $ 50,400 | $ 168,328 | $ 94,854
Basic earnings per weighted-average common and common-equivalent share: |  |  |  |
Income from continuing operations | $ 0.30 | $ 0.55 | $ 1.02 | $ 1.01
Income from discontinued operations | 0.91 | 0.03 | 0.92 | 0.08
Net income | 1.21 | 0.58 | 1.94 | 1.09
Diluted earnings per weighted-average common and common-equivalent share: |  |  |  |
Income from continuing operations | 0.29 | 0.53 | 1.00 | 0.99
Income from discontinued operations | 0.90 | 0.04 | 0.90 | 0.07
Net income | $ 1.19 | $ 0.57 | $ 1.90 | $ 1.06
Weighted-average common and common-equivalent shares outstanding: |  |  |  |
Basic | 86,303 | 86,963 | 86,756 | 86,875
Diluted | 87,776 | 89,167 | 88,559 | 89,145
Cash dividends per common share | $ 0.07 | $ 0 | $ 0.14 | $ 0

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- Definition The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items. + 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 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition The aggregate costs incurred (1) 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 (2) 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, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. + 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 -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 + Details
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales 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) -URI http://asc.fasb.org/extlink&oid=26872669&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=26872669&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=51677171&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=7655603&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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- References No definition available. + Details
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1448-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Weighted-Average Number of Common Shares Outstanding -URI http://asc.fasb.org/extlink&oid=6528421 + Details
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