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Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Numerator: |  |
Income from continuing operations | $ 49.1 | $ 64.8
Less: dividends declared | (28.5) | (28.3)
Undistributed earnings | $ 20.6 | $ 36.5
Percent allocated to common shareholders | 99.70% | 99.70%
Undistributed earnings available to common shareholders | $ 20.5 | $ 36.4
Add: dividends declared on common shares, restricted share units and vested and deferred restricted and performance shares | 28.4 | 28.2
Income from continuing operations attributable to common shareholders | $ 48.9 | $ 64.6
Denominator (in thousands): |  |
Basic weighted-average shares outstanding (in shares) | 53.0 | 55.8
Effect of dilutive securities: |  |
Performance awards (in shares) | 0.1 | 0.2
Stock options (in shares) | 0.5 | 0.5
Denominator for diluted EPS: weighted-average shares outstanding (in shares) | 53.6 | 56.5
Per share income from continuing operations attributable to common shares: |  |
Basic (in dollars per share) | $ 0.92 | $ 1.15
Diluted (in dollars per share) | $ 0.91 | $ 1.14
Basic weighted-average shares outstanding (in shares) | 53.0 | 55.8
Basic weighted-average shares outstanding and unvested restricted shares expected to vest (in shares) | 53.2 | 56.0
Percent allocated to common shareholders | 99.70% | 99.70%
Anti-dilutive stock options excluded from EPS calculation |  |
Income (loss) from discontinued operations attributable to common shareholders for basic and diluted earnings per share | $ 3.1 | $ (3.0)
Net income attributable to common shareholders for basic and diluted earnings per share | $ 52.0 | $ 61.6
Anti-dilutive stock options excluded from earnings per share calculation (in shares) | 0.6 | 0.2

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