v2.4.0.8
EARNINGS PER SHARE (Details 2) (USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Numerator                      
Net income attributable to Axiall                 $ 165.3 $ 120.5 $ 57.7
Less : Net income attributable to participating securities                 0.1 0.7 1.2
Net income attributable to common stockholders                 $ 165.2 $ 119.8 $ 56.5
Denominator                      
Weighted average common shares outstanding - Basic                 67.3 34.5 34.1
Plus : Dilutive effect of stock options and awards (in shares)                 0.5 0.3  
Weighted average common shares outstanding - Diluted                 67.8 34.8 34.1
Earnings per common share from net income attributable to Axiall's common stockholders:                      
Basic (in dollars per share) $ 0.81 $ 0.56 $ 1.04 $ (0.06) $ 0.93 $ 1.13 $ 0.39 $ 1.02 $ 2.46 $ 3.47 $ 1.66
Diluted (in dollars per share) $ 0.81 $ 0.55 $ 1.03 $ (0.06) $ 0.92 $ 1.12 $ 0.39 $ 1.01 $ 2.44 $ 3.45 $ 1.66