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Stockholders' Equity - Stock-based Compensation (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Stock-based Compensation        
Stock-based compensation expense $ 5,844 $ 8,163 $ 12,260 $ 13,626
RSU        
Stock-based Compensation        
Unrecognized compensation cost $ 22,800   $ 22,800  
Weighted-average period     1 year 8 months 12 days  
Shares        
Nonvested at the beginning of the period (in shares)     521,140  
Granted (in shares)     278,060  
Vested (in shares)     (387,085)  
Forfeited (in shares)     (8,235)  
Nonvested at the end of the period (in shares) 403,880   403,880  
Weighted-Average Fair Value        
Nonvested at the beginning of the period (in dollars per share)     $ 73.97  
Granted (in dollars per share)     87.19  
Vested (in dollars per share)     68.56  
Forfeited (in dollars per share)     81.90  
Nonvested at the end of the period (in dollars per share) $ 88.09   $ 88.09  
Stock options        
Stock-based Compensation        
Unrecognized compensation cost $ 300   $ 300  
Weighted-average period     1 year 7 months 6 days  
Number of Options        
Outstanding at the beginning of the period (in shares)     515,884  
Exercised (in shares)     (199,962)  
Expired or forfeited (in shares)     (941)  
Outstanding at the end of the period (in shares) 314,981   314,981  
Exercisable at the end of the period (in shares) 296,566   296,566  
Weighted Average Exercise Price        
Outstanding at the beginning of the period (in dollars per share)     $ 33.74  
Exercised (in dollars per share)     20.16  
Expired or forfeited (in dollars per share)     84.93  
Outstanding at the end of the period (in dollars per share) $ 42.20   42.20  
Exercisable at the end of the period (in dollars per share) $ 39.98   $ 39.98  
Weighted-Average Remaining Contractual Term        
Outstanding at the end of the period     2 years 7 months 6 days  
Exercisable at the end of the period     2 years 3 months 18 days  
Aggregate Intrinsic Value        
Outstanding at the end of the period $ 18,438   $ 18,438  
Exercisable at the end of the period $ 18,019   $ 18,019  
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 1,100,000   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 $ 156 150 $ 328 $ 356
Selling, general and administrative        
Stock-based Compensation        
Stock-based compensation expense 5,548 7,833 11,633 12,945
Research and development        
Stock-based Compensation        
Stock-based compensation expense $ 140 $ 180 $ 299 $ 325