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Earnings per Share | 12 Months Ended
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Dec. 31, 2022
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 pursuant to equity based incentive compensation awards under the equity compensation plans described in Note 12 "Equity-Based Compensation" of the consolidated financial statements. Weighted average shares outstanding for basic and diluted earnings were as follows for the years ended December 31 (in thousands):
| 2022 |  | 2021 |  | 2020
Numerator: |  |  |  |  |
Income from continuing operations | $ | 82,406 |  |  | $ | 74,516 |  |  | $ | 83,291 |
Income (loss) from discontinued operations | — |  |  | 1,113 |  |  | (18,725) |
Net income available to common shareholders | $ | 82,406 |  |  | $ | 75,629 |  |  | $ | 64,566 |
Denominator for basic earnings per share: |  |  |  |  |
Weighted average shares outstanding | 32,096 |  |  | 32,873 |  |  | 32,664 |
Denominator for diluted earnings per share: |  |  |  |  |
Common stock options and stock units | 96 |  |  | 181 |  |  | 254 |
Weighted average shares and conversions | 32,192 |  |  | 33,054 |  |  | 32,918 |
The weighted average number of diluted shares does not include potential anti-dilutive common shares issuable pursuant to equity based incentive compensation awards. 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. The following table provides the potential anti-dilutive common stock options and stock units for the years ended December 31 (in thousands):
| 2022 |  | 2021 |  | 2020
Common stock options and stock units | 43 |  |  | — |  |  | 13 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI https://asc.fasb.org/topic&trid=2144383 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3630-109257 + Details
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