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Net Income Per Share | 6 Months Ended
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Jun. 30, 2014
Earnings Per Share [Abstract] |
Net Income Per Share |
| Net Income Per Share
Basic net income per share is computed by dividing net income for the period by the weighted average number of shares outstanding during the period, less shares subject to repurchase. Diluted net income per share is computed by dividing net income for the period by the weighted average number of shares, less shares subject to repurchase, plus, if dilutive, potential common stock outstanding during the period. Potential common stock includes the effect of outstanding dilutive stock options, restricted stock awards and restricted stock units computed using the treasury stock method. Since their impact is anti-dilutive, we excluded 353,422 and 366,021 shares, respectively, from the calculations of diluted net income per share for the three and six months ended June 30, 2014 and 1,346,561 and 1,581,335 shares, respectively, from the same calculations for the three and six months ended June 30, 2013. The calculation of basic and diluted net income per share is as follows (in thousands, except per share amounts):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2014 |  | 2013 |  | 2014 |  | 2013
Basic: |  |  |  |  |  |  |  |  |
Net income | $ | 7,789 |  |  | $ | 6,016 |  |  | $ | 13,983 |  |  | $ | 9,401 |
Weighted average shares outstanding — basic | 35,661 |  |  | 34,450 |  |  | 35,451 |  |  | 34,177 |
Net income per share — basic | $ | 0.22 |  |  | $ | 0.17 |  |  | $ | 0.39 |  |  | $ | 0.28 |
Diluted: |  |  |  |  |  |  |  |  |
Net income | $ | 7,789 |  |  | $ | 6,016 |  |  | $ | 13,983 |  |  | $ | 9,401 |
Weighted average shares outstanding — basic | 35,661 |  |  | 34,450 |  |  | 35,451 |  |  | 34,177 |
Add: Dilutive effect of employee stock plans | 957 |  |  | 924 |  |  | 1,027 |  |  | 922 |
Weighted average shares outstanding — diluted | 36,618 |  |  | 35,374 |  |  | $ | 36,478 |  |  | 35,099 |
Net income per share — diluted | $ | 0.21 |  |  | $ | 0.17 |  |  | $ | 0.38 |  |  | $ | 0.27 |

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- Definition The entire disclosure for earnings per share. + 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 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=32703322&loc=d3e4984-109258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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