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Earnings Per Shares (Details)
In Millions, unless otherwise specified
3 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Earnings Per Share (Textual) [Abstract]    
Increase in weighted average shares due to dilutive effect of unexercised capital stock options, unvested restricted stock awards and unvested restricted stock units 1 1
Unexercised capital stock options, restricted stock units and restricted stock awards excluded from computation of diluted EPS 1 1