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Stock-Based Compensation - Summary of Incentive Equity Awards (Additional Information) (Detail) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Intrinsic values of stock options exercised $ 41.3 $ 86.2 $ 49.9
Outstanding (in the money) stock options fiscal year-end share price (in dollars per share) $ 65.20    
Shares, outstanding (in shares) 4.3    
Outstanding (in the money) stock options aggregate intrinsic value $ 166.5    
Time-based RSUs [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Intrinsic values of Time-based restricted stock units $ 44.9 51.5 36.5
Share price (in dollars per share) $ 65.20    
Shares (in shares) 1.2    
Aggregate intrinsic value $ 77.5    
Performance-based RSUs [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Intrinsic values of Time-based restricted stock units $ 15.6 $ 19.2 $ 8.9
Share price (in dollars per share) $ 50.01    
Shares (in shares) 0.4    
Aggregate intrinsic value $ 28.5