Computations of Basic and Diluted Earnings Per Share (Details) 10Q (USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Earnings Per Share [Abstract]    
Net earnings $ 77.6 $ 109.0
Basic weighted average common shares 104.5 103.9
Effect of restricted shares issued 0.4 0.4
Diluted weighted average common shares 104.9 104.3
Basic net earnings per share - Continuing operations $ 0.74 $ 0.61
Basic net earnings per share - Discontinued operations   $ 0.44
Basic net earnings per share $ 0.74 $ 1.05
Diluted net earnings per share - Continuing operations $ 0.74 $ 0.61
Diluted net earnings per share - Discontinued operations   $ 0.44
Diluted net earnings per share $ 0.74 $ 1.05