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Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Numerator: |  |
Income from continuing operations | $ 194.3 | $ 49.1
Less: dividends declared | (28.7) | (28.5)
Undistributed earnings | $ 165.6 | $ 20.6
Percent allocated to common stockholders | 99.70% | 99.70%
Undistributed earnings available to common shareholders | $ 165.1 | $ 20.5
Add: dividends declared to common shares, restricted share units and vested and deferred restricted and performance shares | 28.7 | 28.4
Income from continuing operations attributable to common stockholders | $ 193.8 | $ 48.9
Denominator (in thousands): |  |
Basic weighted-average shares outstanding (in shares) | 52.1 | 53.0
Effect of dilutive securities: |  |
Performance awards (in shares) | 0.2 | 0.1
Stock options (in shares) | 0.6 | 0.5
Denominator for diluted EPS: weighted-average shares outstanding (in shares) | 52.9 | 53.6
Per share income from continuing operations attributable to common shares: |  |
Basic (in dollars per share) | $ 3.72 | $ 0.92
Diluted (in dollars per share) | $ 3.67 | $ 0.91
Basic weighted-average shares outstanding (in shares) | 52.1 | 53.0
Basic weighted-average shares outstanding and unvested restricted shares expected to vest (in shares) | 52.3 | 53.2
Percent allocated to common stockholders | 99.70% | 99.70%
Anti-dilutive stock options excluded from EPS calculation |  |
(Loss) income from discontinued operations attributable to common stockholders for basic and diluted earnings per share | $ (0.7) | $ 3.1
Net income attributable to common stockholders for basic and diluted earnings per share | $ 193.1 | $ 52.0
Anti-dilutive stock options excluded from earnings per share calculation (in shares) | 0.1 | 0.6

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