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Earnings per Share | 12 Months Ended
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Dec. 31, 2019
Earnings Per Share [Abstract] |
Earnings per Share | EARNINGS PER SHARE Basic earnings per share is based on the weighted average number of common shares outstanding. Diluted earnings per share is based on the weighted average number of common shares outstanding, as well as dilutive common shares which include shares issuable under the equity compensation plans described in Note 12 of the consolidated financial statements. The weighted average number of diluted shares does not include potential anti-dilutive common shares aggregating 30,000, 303,000 and 468,000 at December 31, 2019, 2018 and 2017, respectively. The treasury stock method is used to calculate dilutive shares, which reduces the gross number of dilutive shares by the number of shares purchasable from the proceeds of the options assumed to be exercised and the unrecognized expense related to the options, restricted shares, restricted stock units, and performance stock units assumed to have vested. Basic earnings and diluted weighted-average shares outstanding are as follows for the years ended December 31 (in thousands):
| 2019 |  | 2018 |  | 2017
Numerator: |  |  |  |  |
Income from continuing operations | $ | 65,091 |  |  | $ | 63,809 |  |  | $ | 62,965 |
Loss from discontinued operations | — |  |  | — |  |  | (405 | )
Net income available to common shareholders | $ | 65,091 |  |  | $ | 63,809 |  |  | $ | 62,560 |
Denominator for basic earnings per share: |  |  |  |  |
Weighted average shares outstanding | 32,389 |  |  | 31,979 |  |  | 31,701 |
Denominator for diluted earnings per share: |  |  |  |  |
Common stock options and stock units | 333 |  |  | 555 |  |  | 549 |
Weighted average shares and conversions | 32,722 |  |  | 32,534 |  |  | 32,250 |

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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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