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Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Earnings Per Share [Abstract] |  |
Antidilutive shares excluded from diluted EPS (in shares) | 1,900 | 1,600
Earnings (loss) attributable to FMC stockholders: |  |
Continuing operations, net of income taxes | $ 54.4 | $ (62.4)
Discontinued operations, net of income taxes | (6.1) | 15.6
Net income (loss) attributable to FMC stockholders | 48.3 | (46.8)
Less: Distributed and undistributed earnings allocable to restricted award holders | (0.2) | 0.0
Net income (loss) allocable to common stockholders | $ 48.1 | $ (46.8)
Basic earnings (loss) per common share attributable to FMC stockholders: |  |
Continuing operations (in USD per share) | $ 0.41 | $ (0.47)
Discontinued operations (in USD per share) | (0.05) | 0.12
Net income (loss) attributable to FMC stockholders (in USD per share) | 0.36 | (0.35)
Diluted earnings (loss) per common share attributable to FMC stockholders: |  |
Continuing operations (in USD per share) | 0.41 | (0.47)
Discontinued operations (in USD per share) | (0.05) | 0.12
Net income (loss) attributable to FMC stockholders (in USD per share) | $ 0.36 | $ (0.35)
Shares: |  |
Weighted average number of shares of common stock outstanding - Basic (in shares) | 133,802 | 133,577
Weighted average additional shares assuming conversion of potential common shares (in shares) | 502 | 0
Shares – diluted basis (in shares) | 134,304 | 133,577

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