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Stockholders' Equity - Stock-based Compensation (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Stock-based Compensation    
Stock-based compensation expense $ 6,416 $ 5,463
RSU    
Stock-based Compensation    
Unrecognized compensation cost $ 28,200  
Weighted-average period 1 year 8 months 12 days  
Shares    
Nonvested at the beginning of the period (in shares) 521,140  
Granted (in shares) 272,489  
Vested (in shares) (360,866)  
Forfeited (in shares) (4,041)  
Nonvested at the end of the period (in shares) 428,722  
Weighted-Average Fair Value    
Nonvested at the beginning of the period (in dollars per share) $ 73.97  
Granted (in dollars per share) 86.98  
Vested (in dollars per share) 68.11  
Forfeited (in dollars per share) 77.57  
Nonvested at the end of the period (in dollars per share) $ 87.14  
Stock options    
Stock-based Compensation    
Unrecognized compensation cost $ 400  
Weighted-average period 1 year 8 months 12 days  
Number of Options    
Outstanding at the beginning of the period (in shares) 515,884  
Exercised (in shares) (167,306)  
Outstanding at the end of the period (in shares) 348,578  
Exercisable at the end of the period (in shares) 314,261  
Weighted Average Exercise Price    
Outstanding at the beginning of the period (in dollars per share) $ 33.74  
Exercised (in dollars per share) 16.92  
Outstanding at the end of the period (in dollars per share) 41.81  
Exercisable at the end of the period (in dollars per share) $ 37.82  
Weighted-Average Remaining Contractual Term    
Outstanding at the end of the period 2 years 9 months 18 days  
Exercisable at the end of the period 2 years 2 months 12 days  
Aggregate Intrinsic Value    
Outstanding at the end of the period $ 20,829  
Exercisable at the end of the period $ 20,030  
Performance-based restricted stock units    
Shares    
Granted (in shares) 80,326 96,151
Performance-based restricted stock units | Minimum    
Weighted-Average Fair Value    
Payout as a percentage of the original number of shares awarded or units awarded, which are converted into shares of the Company's common stock 0.00%  
Performance-based restricted stock units | Maximum    
Weighted-Average Fair Value    
Payout as a percentage of the original number of shares awarded or units awarded, which are converted into shares of the Company's common stock 280.00%  
2012 Plan    
Weighted-Average Fair Value    
Shares available for grant 1,100,000  
2012 Plan | RSU    
Weighted-Average Fair Value    
Number of shares available for grant reduced for each award granted 1.87  
Number of shares available for grant increased for each award forfeited and returned 1.87  
2006 Plan    
Number of Options    
Granted (in shares) 0  
Cost of goods sold    
Stock-based Compensation    
Stock-based compensation expense $ 171 $ 207
Selling, general and administrative    
Stock-based Compensation    
Stock-based compensation expense 6,085 5,111
Research and development    
Stock-based Compensation    
Stock-based compensation expense $ 160 $ 145