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Earnings Per Common Share (Narrative) (Details)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Earnings Per Share [Abstract]        
Antidilutive securities excluded from EPS 1 1 2 3