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Earnings Per Share | 9 Months Ended
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Sep. 30, 2019
Earnings Per Share [Abstract] |
Earnings Per Share | Basic earnings per share is computed by dividing net income by the weighted average number of shares of common stock outstanding. Diluted earnings per share is computed by dividing net income by the weighted average common and potentially dilutive common equivalent shares outstanding, determined as follows:
| Three Months Ended |  | Nine Months Ended
| September 30, |  | September 30,
(In thousands) | 2019 |  | 2018 |  | 2019 |  | 2018
Weighted average shares outstanding used to compute basic earnings per share | 33,271 |  |  | 33,110 |  |  | 33,222 |  |  | 33,056 |
Incremental dilutive shares attributable to stock options and restricted stock | 14 |  |  | — |  |  | 8 |  |  | — |
Shares used to compute diluted earnings per share | 33,285 |  |  | 33,110 |  |  | 33,230 |  |  | 33,056 |
Incremental shares attributable to stock options and restricted stock are computed under the treasury stock method using the average market price during the related period. For the three and nine months ended September 30, 2019, average out-of-the-money options to purchase shares that were excluded from the calculation of incremental shares attributable to stock options and restricted stock were 1,222,000 and 1,224,222, respectively. For the three and nine months ended September 30, 2018, average out-of-the-money options to purchase shares that were excluded from the calculation of incremental shares attributable to stock options and restricted stock were 178,676 and 236,138, respectively.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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