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Earnings per Common Share (Details 2) (Stock options)
In Millions, unless otherwise specified
3 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Stock options
   
Awards issued under share-based compensation plans that were excluded from calculations of diluted earnings per share because their effects were anti-dilutive    
Anti-dilutive securities excluded from computation of earnings per share 0.3 0.2