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Net Income Per Share | 3 Months Ended
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Mar. 31, 2022
Earnings Per Share [Abstract] |
Net Income Per Share | 12) Net Income Per Share The following table sets forth the computation of basic and diluted net income per share:
|  | Three Months Ended March 31, |
|  | 2022 |  |  | 2021 |
Numerator: |  |  |  |  |  |
Net income |  | $ | 143 |  |  | $ | 122 |
Denominator: |  |  |  |  |  |
Shares used in net income per common share – basic |  |  | 55.6 |  |  |  | 55.3 |
Effect of dilutive securities |  |  | 0.2 |  |  |  | 0.3 |
Shares used in net income per common share – diluted |  |  | 55.8 |  |  |  | 55.6 |
Net income per common share: |  |  |  |  |  |
Basic |  | $ | 2.58 |  |  | $ | 2.21 |
Diluted |  | $ | 2.57 |  |  | $ | 2.20 |
Basic earnings per share ("EPS") is computed by dividing income available to common stockholders by the weighted-average number of common shares outstanding during the period. The computation of diluted EPS is similar to the computation of basic EPS except that the denominator is increased to include the number of additional common shares that would have been outstanding (using the treasury stock method) if securities containing potentially dilutive common shares (restricted stock units ("RSUs")) had been converted to such common shares, and if such assumed conversion is dilutive. For the three months ended March 31, 2022 and 2021, there were no weighted-average RSUs that would have had an anti-dilutive effect on EPS and were excluded from the computation of diluted weighted-average shares.

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