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Earnings Per Share (Denominators Of Basic And Diluted EPS Computations) (Detail)
In Millions, unless otherwise specified
12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2010
Earnings Per Share [Line Items]      
Anti-diluted options related to the purchase of common stock 2.6 2.4 4.4
Basic 124.1 124.8 135.9
Common stock equivalents 3.4 3.5 3.2
Diluted 127.5 128.3 139.1