Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Share-based Compensation (Details Textual)

v3.7.0.1
Note 8 - Share-based Compensation (Details Textual) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2017
Mar. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     1,100,000 804,000
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price     $ 107.38 $ 105.15
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value     $ 18.13 $ 18.50
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period     39,579 18,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value     $ 1.4 $ 0.6
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 29.4   $ 29.4  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition     2 years 182 days  
Selling, General and Administrative Expenses [Member]        
Allocated Share-based Compensation Expense $ 4.0 $ 2.3 $ 11.2 $ 6.7
Restricted Stock Units (RSUs) [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     64,391 35,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value     $ 109.36 $ 105.01
Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     23,965 20,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value     $ 104.94 $ 99.53