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Earnings Per Share (Basic and Diluted) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Earnings Per Share [Abstract] |  |  |  |
Net income from continuing operations | $ 115.2 | $ 100.7 | $ 226.9 | $ 196.2
Loss from discontinued operations, net of income taxes | (0.1) | (0.3) | (0.3) | (0.7)
NET INCOME | $ 115.1 | $ 100.4 | $ 226.6 | $ 195.5
Weighted average common shares outstanding used in calculating basic EPS (in shares) | 113.8 | 119.1 | 113.7 | 119.3
Effect of dilutive stock options (in shares) | 1.3 | 1.7 | 1.4 | 1.8
Weighted average common shares outstanding used in calculating diluted EPS (in shares) | 115.1 | 120.8 | 115.1 | 121.1
Basic EPS amounts: |  |  |  |
Continuing operations (in dollars per share) | $ 1.01 | $ 0.85 | $ 2.00 | $ 1.64
Discontinued operations (in dollars per share) | 0.00 | 0.00 | 0.00 | (0.01)
Net income (in dollars per share) | 1.01 | 0.84 | 1.99 | 1.64
Diluted EPS amounts: |  |  |  |
Continuing operations (in dollars per share) | 1.00 | 0.83 | 1.97 | 1.62
Discontinued operations (in dollars per share) | 0.00 | 0.00 | 0.00 | (0.01)
Net income (in dollars per share) | $ 1.00 | $ 0.83 | $ 1.97 | $ 1.61

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