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Earnings Per Share | 3 Months Ended
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Mar. 31, 2016
Earnings Per Share [Abstract] |
Earnings Per Share | 8. Earnings Per Share The following is a reconciliation of the basic and diluted earnings per share computation:
|  | Three Months Ended March 31, |
|  | 2016 |  |  | 2015 |
Net income |  | $ | 12,072 |  |  | $ | 12,062 |
Shares of common stock and common stock equivalents: |  |  |  |  |  |  |  |
Weighted average shares used in basic computation |  |  | 137,599 |  |  |  | 134,075 |
Dilutive effect of common stock equivalents |  |  | 825 |  |  |  | 3,236 |
Weighted average shares used in dilutive computation |  |  | 138,424 |  |  |  | 137,311 |
Basic earnings per share |  | $ | 0.09 |  |  | $ | 0.09 |
Diluted earnings per share |  | $ | 0.09 |  |  | $ | 0.09 |
Diluted earnings per share reflects the reduction in earnings per share assuming options or other contracts to issue common stock were exercised or converted into common stock under the treasury stock method. The dilutive effect of common stock equivalents was included in the diluted earnings per share in the three months ended March 31, 2015. There were no anti-dilutive common stock equivalents included in the calculation of diluted earnings per share for the three months ended March 31, 2016. 696 common stock equivalents were determined to be anti-dilutive and were not included in the calculation of diluted earnings per share for the three months ended March 31, 2015.

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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 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 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 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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