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Note 2 - Net Income Per Share | 9 Months Ended
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Sep. 26, 2020
Notes to Financial Statements |
Earnings Per Share [Text Block] | Note 2 - Net Income per Share Our calculation of the diluted share count includes the number of shares from our equity awards with market conditions or performance conditions that would be issuable under the terms of such awards at the end of the reporting period. For equity awards with a market condition, the number of shares included in the diluted share count as of September 26, 2020 is determined by measuring the achievement of the market condition as of the end of the reporting period. For equity awards with a performance condition, no shares are included in the diluted share count as of September 26, 2020, as vesting of future tranches of these awards is contingent upon achievement of the performance condition over two consecutive trailing four-quarter periods, which has not yet been achieved. See "Note 9 - Stock-Based Compensation" to our consolidated financial statements for further discussion of our equity awards with market conditions or performance conditions. A summary of basic and diluted Net income per share is presented in the following table:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 26, |  |  | September 28, |  |  | September 26, |  |  | September 28, |
(in thousands, except per share data) |  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Net income |  | $ | 12,607 |  |  | $ | 13,539 |  |  | $ | 31,403 |  |  | $ | 29,506 |
Shares used in basic Net income per share |  |  | 135,598 |  |  |  | 132,997 |  |  |  | 134,903 |  |  |  | 132,065 |
Dilutive effect of stock options, RSUs, ESPP shares, and equity awards with a market condition or performance condition |  |  | 5,926 |  |  |  | 5,897 |  |  |  | 5,860 |  |  |  | 5,614 |
Shares used in diluted Net income per share |  |  | 141,524 |  |  |  | 138,894 |  |  |  | 140,763 |  |  |  | 137,679 |
Basic Net income per share |  | $ | 0.09 |  |  | $ | 0.10 |  |  | $ | 0.23 |  |  | $ | 0.22 |
Diluted Net income per share |  | $ | 0.09 |  |  | $ | 0.10 |  |  | $ | 0.22 |  |  | $ | 0.21 |
The computation of diluted Net income per share excludes the effects of stock options, restricted stock units ("RSUs"), Employee Stock Purchase Plan ("ESPP") shares, and equity awards with a market condition or performance condition that are antidilutive, aggregating approximately the following number of shares:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 26, |  |  | September 28, |  |  | September 26, |  |  | September 28, |
(in thousands) |  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Stock options, RSUs, ESPP shares, and equity awards with a market condition or performance condition excluded as they are antidilutive |  |  | 370 |  |  |  | 909 |  |  |  | 514 |  |  |  | 328 |

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