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v3.19.1

Net Earnings (Loss) Per Common Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Numerator: |  |
Net earnings (loss) | $ 57.5 | $ (200.6)
Distributed and allocated undistributed net earnings to unvested restricted stockholders | (0.1) | (0.2)
Distributed and allocated undistributed net earnings (loss) | 57.4 | (200.8)
Distributed net earnings - dividends paid to common stockholders | (24.8) | (26.3)
Allocation of undistributed net earnings (loss) to common stockholders | $ 32.6 | $ (227.1)
Denominator: |  |
Weighted average number of common shares outstanding - basic (in shares) | 154.8 | 165.3
Basic net earnings per common share: |  |
Distributed net earnings (in dollars per share) | $ 0.16 | $ 0.16
Allocated undistributed net earnings (loss) to common stockholders (in dollars per share) | 0.21 | (1.37)
Net earnings (loss) per common share - basic (in dollars per share) | $ 0.37 | $ (1.21)
Numerator: |  |
Distributed and allocated undistributed net earnings (loss) | $ 57.4 | $ (200.8)
Add: Allocated undistributed net earnings to unvested restricted stockholders | 0.1 | 0.0
Less: Undistributed net earnings reallocated to unvested restricted stockholders | (0.1) | 0.0
Net earnings (loss) available to common stockholders - diluted | $ 57.4 | $ (200.8)
Denominator: |  |
Weighted average number of common shares outstanding - basic (in shares) | 154.8 | 165.3
Effect of contingently issuable shares (in shares) | 0.2 | 0.0
Effect of unvested restricted stock units (in shares) | 0.2 | 0.0
Weighted average number of common shares outstanding - diluted under two-class (in shares) | 155.2 | 165.3
Effect of unvested restricted stock - participating security (in shares) | 0.2 | 0.0
Weighted average number of common shares outstanding - diluted under treasury stock (in shares) | 155.4 | 165.3
Diluted net earnings (loss) per common share (in dollars per share) | $ 0.37 | $ (1.21)

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