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Stock-Based Compensation (Details) (USD $)
12 Months Ended 12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2014
Stock Options
Jun. 30, 2013
Stock Options
Jun. 30, 2012
Stock Options
Aug. 01, 2014
Stock Options
Subsequent Event
Jun. 30, 2014
Stock Options
Minimum
Jun. 30, 2014
Stock Options
Maximum
Jun. 30, 2014
Restricted Stock Units
Jun. 30, 2013
Restricted Stock Units
Jun. 30, 2012
Restricted Stock Units
Aug. 01, 2014
Restricted Stock Units
Subsequent Event
Jun. 30, 2014
2010 Plan
Apr. 30, 2010
2010 Plan
Jun. 30, 2014
2005 Plan
May 31, 2005
2005 Plan
Stock-based compensation, additional disclosures                                  
Maximum number of shares authorized (in shares)                             7,000,000   4,000,000
Common stock reserved for future issuance or settlement (in shares) 6,600,000                         4,382,564   327,591  
General award terms                                  
Award vesting period       4 years           4 years              
Contractual terms               7 years 10 years                
Weighted average assumptions                                  
Weighted average fair value (in dollars per share)       $ 11.56 $ 9.76 $ 6.49                      
Risk-free interest rate (as a percent)       1.30% 0.60% 1.10%                      
Expected dividend yield (as a percent)       0.00%                          
Expected life       4 years 7 months 6 days 4 years 9 months 18 days 4 years 7 months 6 days                      
Expected volatility factor (as a percent)       39.00% 49.00% 50.00%                      
Stock options activity                                  
Outstanding, beginning of period (in shares)       1,852,118                          
Granted (in shares)       352,795                          
Exercised (in shares)       (723,330)                          
Cancelled / Forfeited (in shares)       (235,055)                          
Outstanding, end of period (in shares)       1,246,528 1,852,118                        
Vested and exercisable, end of period (in shares)       733,078                          
Vested and expected to vest, end of period (in shares)       1,164,018                          
Weighted Average Exercise Price                                  
Outstanding, beginning of period (in dollars per share)       $ 14.68                          
Granted (in dollars per share)       $ 33.06                          
Exercised (in dollars per share)       $ 12.04                          
Cancelled / Forfeited (in dollars per share)       $ 20.58                          
Outstanding, end of period (in dollars per share)       $ 20.30 $ 14.68                        
Vested and exercisable, end of period (in dollars per share)       $ 16.53                          
Vested and expected to vest, end of period (in dollars per share)       $ 19.96                          
Weighted Average Remaining Contractual Term                                  
Outstanding, end of period       7 years 1 month 20 days                          
Vested and exercisable, end of period       6 years 4 months 2 days                          
Vested and expected to vest, end of period       7 years 25 days                          
Aggregate Intrinsic Value                                  
Outstanding, beginning of period       $ 26,140,000                          
Outstanding, end of period       32,543,000 26,140,000                        
Vested and exercisable, end of period       21,894,000                          
Vested and expected to vest, end of period       30,780,000                          
Restricted stock units activity                                  
Outstanding, beginning of period (in shares)                   1,030,839              
Granted (in shares)                   415,938              
Settled (in shares)                   (563,586)              
Cancelled / Forfeited (in shares)                   (265,922)              
Outstanding, end of period (in shares)                   617,269 1,030,839            
Vested and expected to vest (in shares)                   518,195              
Weighted Average Grant Date Fair Value                                  
Outstanding, beginning of period (in dollars per share)                   $ 17.69              
Granted (in dollars per share)                   $ 33.07 $ 23.46 $ 15.52          
Settled (in dollars per share)                   $ 18.58              
Cancelled / Forfeited (in dollars per share)                   $ 21.21              
Outstanding, end of period (in dollars per share)                   $ 25.74 $ 17.69            
Vested and expected to vest, end of period (in dollars per share)                   $ 25.84              
Total fair value of shares vested from RSU grants                   22,200,000 22,500,000 14,000,000          
Total unrecognized compensation cost       4,000,000           13,200,000              
Total unrecognized compensation cost, period of recognition       2 years 3 months 18 days           2 years 4 months 24 days              
Total intrinsic value of options exercised       19,900,000 55,700,000 14,600,000                      
Cash proceeds from option exercises       8,700,000 21,100,000 8,900,000                      
Payments related to tax withholding $ 7,831,000 $ 7,705,000 $ 4,597,000 $ 7,800,000 $ 7,700,000 $ 4,600,000                      
Stock grant (in shares)             281,085           331,742