Share-Based Compensation - Additional Information (Detail) (USD $)
3 Months Ended 9 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2015
Mar. 31, 2014
Dec. 04, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of stock options, granted     6,459    
Share-based compensation $ 8,900,000 $ 7,100,000 $ 27,707,000 $ 22,380,000  
Total income tax benefit recognized 2,400,000 1,500,000 7,600,000 5,300,000  
Weighted-average grant-date fair value of options granted $ 35.36 $ 26.27 $ 29.76 $ 20.76  
Total intrinsic value of options exercised 12,300,000 12,300,000 25,500,000 30,500,000  
Extended vesting period after employee termination, days     90 days    
Cliff vesting period, in years     3 years 3 years  
Red Bend Ltd. [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock options cancelled     76,563    
Restricted stock units vested     58,137    
Red Bend Ltd. [Member] | Restricted Stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Restricted stock units granted     76,563    
Stock options exchanged     76,563    
Restricted stock units vested     58,137    
Restricted stock units expected to vest 18,426   18,426    
Red Bend Ltd. [Member] | Share-based Compensation Award, Tranche One [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation expenses recognized period (years)     4 years    
Time-vested RSUs, description     Every three months over a four-year period.    
Red Bend Ltd. [Member] | Share-based Compensation Award, Tranche Two [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Time-vested RSUs, description     25 percent in the first year and every three months thereafter, for the remaining three-year term of the award    
Vesting percentage of Time-vested RSUs     25.00%    
2012 Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares available for grant 3,864,509   3,864,509    
Stock Option and Incentive Plan, maturity date     Dec. 07, 2021    
Additional Shares available for grant         2,869,821
Number of awards for reduction of shares available for grant under 2012 Plan     1    
Number of awards     2    
Compensation expenses recognized period (years)     3 years 3 years  
Cash-settled restricted stock units, outstanding     2,338    
2012 Plan [Member] | Full-Value Grant [Member] | Prior to December 4, 2013 [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Reduction in shares available for grant for one award under the plan     1.71    
2012 Plan [Member] | Full-Value Grant [Member] | On or After December 4, 2013 [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Reduction in shares available for grant for one award under the plan     1.5    
2012 Plan [Member] | Option or Stock Appreciation Right Grant [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Reduction in shares available for grant for one award under the plan     1    
2012 Plan [Member] | Maximum [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares of our common stock under 2012 Plan         7,269,821
Monte Carlo Simulation [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Restricted stock units, grant date fair value     7,800,000 6,000,000  
Options to Purchase Common Stock [Member] | 2012 Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of stock options, granted     6,459    
Stock-Settled Restricted Stock Units [Member] | 2012 Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of stock options, granted     514,917    
Cash-Settled Restricted Stock Units [Member] | 2012 Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of stock options, granted     856    
Restricted stock units granted     856 613  
Number of restricted stock units settled     1,150 0  
Cash-Settled Stock Appreciation Rights [Member] | 2012 Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of stock options, granted     1,486    
Restricted Stock Units [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Total unrecognized compensation cost 61,400,000   61,400,000    
Aggregate intrinsic value of equity classified restricted stock $ 184,600,000   $ 184,600,000    
Weighted average recognition period, years     1 year 4 months 24 days    
Restricted Stock Units with Earning Per Share Performance Conditions [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Restricted stock units granted     103,896 130,616  
Restricted Stock Units with Market Conditions [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Restricted stock units granted     103,896 130,641  
Time Vested Restricted Stock Units Cliff Vest [Member] | 2012 Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Restricted stock units granted     217,654 176,621  
Restricted stock units vesting period     3 years 3 years  
Time Vested Restricted Stock Units Ratably Vest [Member] | 2012 Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Restricted stock units granted     2,868 10,752  
Restricted stock units vesting period     3 years 3 years  
Time Vested Restricted Stock Units Cliff Vest One [Member] | 2012 Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Restricted stock units granted     10,040 0  
Restricted stock units vesting period     1 year 1 year