Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Share-based Compensation (Details Textual)

v3.8.0.1
Note 8 - Share-based Compensation (Details Textual) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     1,000,000 1,100,000
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price     $ 118.97 $ 107.40
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value     $ 21.58 $ 18.13
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period     70,069 23,145
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value     $ 2.8 $ 1.0
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 40.2   $ 40.2  
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 $ 5.0 $ 4.1 $ 8.8 $ 7.2
Restricted Stock Units (RSUs) [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     35,674 64,931
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value     $ 125.02 $ 109.36
Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     20,106 23,965
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value     $ 125.05 $ 104.94