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Stockholders' Equity - Stock-based Compensation (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2020
Mar. 31, 2019
Stock-based Compensation        
Stock-based compensation expense $ 5,838 $ 5,888 $ 18,097 $ 19,514
RSU        
Stock-based Compensation        
Unrecognized compensation cost $ 18,900   $ 18,900  
Weighted-average period     1 year 10 months 24 days  
Shares        
Nonvested at the beginning of the period (in shares)     521,140  
Granted (in shares)     300,998  
Vested (in shares)     (388,756)  
Forfeited (in shares)     (13,907)  
Nonvested at the end of the period (in shares) 419,475   419,475  
Weighted-Average Fair Value        
Nonvested at the beginning of the period (in dollars per share)     $ 73.97  
Granted (in dollars per share)     88.26  
Vested (in dollars per share)     68.60  
Forfeited (in dollars per share)     83.24  
Nonvested at the end of the period (in dollars per share) $ 88.89   $ 88.89  
Stock options        
Stock-based Compensation        
Unrecognized compensation cost $ 500   $ 500  
Weighted-average period     2 years  
Number of Options        
Outstanding at the beginning of the period (in shares)     515,884  
Granted (in shares)     13,263  
Exercised (in shares)     (201,003)  
Expired or forfeited (in shares)     (1,092)  
Outstanding at the end of the period (in shares) 327,052   327,052  
Exercisable at the end of the period (in shares) 295,525   295,525  
Weighted Average Exercise Price        
Outstanding at the beginning of the period (in dollars per share)     $ 33.74  
Granted (in dollars per share)     101.31  
Exercised (in dollars per share)     20.45  
Expired or forfeited (in dollars per share)     85.37  
Outstanding at the end of the period (in dollars per share) $ 44.47   44.47  
Exercisable at the end of the period (in dollars per share) $ 39.85   $ 39.85  
Weighted-Average Remaining Contractual Term        
Outstanding at the end of the period     2 years 8 months 12 days  
Exercisable at the end of the period     2 years  
Aggregate Intrinsic Value        
Outstanding at the end of the period $ 8,867   $ 8,867  
Exercisable at the end of the period $ 8,867   $ 8,867  
Performance-based restricted stock units        
Shares        
Granted (in shares)     81,621 97,514
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 1,000,000.0   1,000,000.0  
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 $ 189 182 $ 517 $ 539
Selling, general and administrative        
Stock-based Compensation        
Stock-based compensation expense 5,520 5,543 17,153 18,487
Research and development        
Stock-based Compensation        
Stock-based compensation expense $ 129 $ 163 $ 427 $ 488