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v3.20.1

Net Income Per Share (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Numerator (basic and diluted): |  |
Net income | $ 22.5 | $ 17.4
Less: Dividends paid to participating securities | (0.3) | (0.1)
Undistributed and distributed earnings available to common stockholders | $ 22.2 | $ 17.3
Denominator: |  |
Average number of common shares outstanding (in shares) | 30,712,300 | 30,620,600
Effect of dilutive stock-based compensation (in shares) | 197,700 | 96,100
Average number of common and potential common shares outstanding (in shares) | 30,910,000.0 | 30,716,700

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