XML 69 R68.htm IDEA: XBRL DOCUMENT v3.2.0.727
Stock-Based Compensation - Additional Information (Detail)
shares in Millions, $ in Millions
12 Months Ended
Jun. 30, 2015
USD ($)
shares
Jun. 30, 2014
USD ($)
shares
Jun. 30, 2013
USD ($)
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation cost related to non-vested stock options $ 15.2    
Unrecognized compensation cost of restricted stock awards $ 31.9    
Amortization period of unrecognized compensation cost 3 years    
Amortization period of unrecognized compensation cost for restricted stock awards 1 year 6 months    
Repurchase of common stock shares | shares 5.7 3.4 9.7
Segment, Continuing Operations [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation expense $ 38.6 $ 34.6 $ 27.1
Related tax benefits $ 14.5 $ 13.0 $ 10.1
Opportunistic Buy-Backs [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Repurchase of common stock shares | shares 5.2 2.9  
Stock Options [Member] | Graded Vesting [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock options vesting period 4 years    
Stock option term in years 10 years    
Stock Options [Member] | Cliff Vesting [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock options vesting period 4 years    
Stock option term in years 10 years    
Stock Options [Member] | Cliff Vesting - Year One [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock option award vesting percentage 25.00%    
Stock Options [Member] | Cliff Vesting - Year Two [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock option award vesting percentage 25.00%    
Stock Options [Member] | Cliff Vesting - Year Three [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock option award vesting percentage 25.00%    
Stock Options [Member] | Cliff Vesting - Year Four [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock option award vesting percentage 25.00%    
Time-based RSUs [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock options vesting period 2 years 6 months    
Stock conversion ratio 1    
Performance-based RSUs [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock options vesting period 2 years 6 months    
Stock conversion ratio 1    
Performance-Based Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock options vesting period 2 years 6 months