Quarterly report pursuant to Section 13 or 15(d)

Note 10 - Share-based Compensation (Details Textual)

v3.21.2
Note 10 - Share-based Compensation (Details Textual) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Oct. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares) 300,000 700,000  
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share) $ 481.84 $ 267.79  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) $ 118.47 $ 56.71  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in shares) 336,565 116,816  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value $ 122.8 $ 16.9  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total $ 61.2    
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) 2 years 2 months 12 days    
Employee Stock Purchase Plan 2014 [Member]      
Share-based Payment Arrangement, Expense $ 0.3 0.3  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)     200,000
Selling, General and Administrative Expenses [Member]      
Share-based Payment Arrangement, Expense 13.2 12.9  
Cost of Sales [Member]      
Share-based Payment Arrangement, Expense $ 0.4 $ 0.5  
Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 13,929 22,367  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) $ 481.82 $ 267.87  
Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 5,344 8,675  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) $ 481.82 $ 267.98