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Earnings Per Share | 9 Months Ended
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Sep. 30, 2022
Earnings Per Share [Abstract] |
Earnings Per Share | Earnings Per Share The computations of basic and diluted earnings per share were as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
Numerator: |  |  |  |  |  |  |
Net income | $ | 15.6 |  |  | $ | 21.5 |  |  | $ | 42.5 |  |  | $ | 57.0 |
Denominator: |  |  |  |  |  |  |
Basic - weighted average shares outstanding | 18,515,851 |  | 18,554,136 |  | 18,495,640 |  | 18,519,523
Effect of dilutive securities: | 176,065 |  | 317,081 |  | 217,697 |  | 350,375
Diluted - weighted average shares outstanding | 18,691,916 |  | 18,871,217 |  | 18,713,337 |  | 18,869,898
Basic earnings per share | $ | 0.84 |  |  | $ | 1.16 |  |  | $ | 2.30 |  |  | $ | 3.08 |
Diluted earnings per share | $ | 0.83 |  |  | $ | 1.14 |  |  | $ | 2.27 |  |  | $ | 3.02 |
Excluded from the dilutive securities shown above were options to purchase and shares to be paid out under share-based compensation plans of 766,235 and 148,747 shares of common stock during the three months ended September 30, 2022 and 2021, respectively. Excluded from the dilutive securities shown above were options to purchase and shares to be paid out under share-based compensation plans of 425,920 and 198,853 shares of common stock during the nine months ended September 30, 2022 and 2021, respectively. These exclusions were made if the exercise prices of the options are greater than the average market price of our common stock for the period, if the number of shares we can repurchase under the treasury stock method exceeds the weighted average shares outstanding in the options or if we have a net loss, as these effects would be anti-dilutive.

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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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