v2.4.0.8
STOCK-BASED COMPENSATION (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Stock-based compensation expense        
Stock based compensation expense $ 4.3 $ 2.6 $ 7.1 $ 4.5
Income tax provision related to stock compensation expense (1.5) (0.9) (2.5) (1.5)
After tax share based compensation expense $ 2.8 $ 1.7 $ 4.6 $ 3.0
Shares not included in computing diluted earnings per share due to their anti-dilutive effect 0.6 0.1 0.3 0.1