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Note 2 - Net Income Per Share (Tables) | 9 Months Ended
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Oct. 02, 2021
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | October 2, |  |  | September 26, |  |  | October 2, |  |  | September 26, |
(in thousands, except per share data) |  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Net income |  | $ | 26,739 |  |  | $ | 12,607 |  |  | $ | 67,390 |  |  | $ | 31,403 |
Shares used in basic Net income per share |  |  | 136,638 |  |  |  | 135,598 |  |  |  | 136,476 |  |  |  | 134,903 |
Dilutive effect of stock options, RSUs, ESPP shares, and equity awards with a market condition or performance condition |  |  | 4,994 |  |  |  | 5,926 |  |  |  | 5,687 |  |  |  | 5,860 |
Shares used in diluted Net income per share |  |  | 141,632 |  |  |  | 141,524 |  |  |  | 142,163 |  |  |  | 140,763 |
Basic Net income per share |  | $ | 0.20 |  |  | $ | 0.09 |  |  | $ | 0.49 |  |  | $ | 0.23 |
Diluted Net income per share |  | $ | 0.19 |  |  | $ | 0.09 |  |  | $ | 0.47 |  |  | $ | 0.22 |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | October 2, |  |  | September 26, |  |  | October 2, |  |  | September 26, |
(in thousands) |  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Stock options, RSUs, ESPP shares, and equity awards with a market condition or performance condition excluded as they are antidilutive |  | 358 |  |  | 370 |  |  | 182 |  |  | 514 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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