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Earnings Per Share | 3 Months Ended
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Mar. 31, 2023
Earnings Per Share [Abstract] |
Earnings Per Share | Note 15. Earnings Per Share Basic earnings per share is computed by dividing net income by the weighted-average number of shares of common stock outstanding during the period. Diluted earnings per share is computed by dividing net income by the weighted-average number of shares of common stock outstanding during the period, increased to include the number of shares of common stock that would have been outstanding had potentially dilutive shares of common stock been issued. The dilutive effect of stock options, performance options, RSUs, performance shares and RSAs are reflected in diluted earnings per share by applying the treasury stock method. A summary of the calculations of our basic and diluted earnings per share is as follows:
|  | Three Months Ended
|  | March 31,
(In millions, except per share data) |  | 2023 |  | 2022
Net Income |  | $ | 22 |  | $ | 2
Weighted-average common shares outstanding: |  |  | 81.5 |  |  | 82.3
Effect of dilutive securities: |  |  |  |  |  |
RSUs(1) |  |  | 0.4 |  |  | 0.3
Stock options(2) |  |  | — |  |  | —
Weighted-average common shares outstanding - assuming dilution: |  |  | 81.9 |  |  | 82.6
Basic earnings per share |  | $ | 0.27 |  | $ | 0.02
Diluted earnings per share |  | $ | 0.27 |  | $ | 0.02
___________________________________ (1)RSUs of 510,116 shares and 429,064 shares for the three months ended March 31, 2023 and 2022, respectively, were not included in the diluted earnings per share calculation because their effect would have been anti-dilutive. (2)Stock options to purchase 1,114,819 shares and 1,200,018 shares for the three months ended March 31, 2023 and 2022, respectively, and performance options to purchase 258,596 shares for the three months ended March 31, 2023 were not included in the diluted earnings per share calculation because their effect would have been 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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