Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Share-based Compensation (Details Textual)

v3.6.0.2
Note 8 - Share-based Compensation (Details Textual) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     1,100,000 777,000
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price     $ 107.40 $ 105.67
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value     $ 18.13 $ 18.59
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period     23,145 13,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value     $ 1.0 $ 0.5
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 33.0   $ 33.0  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition     2 years 255 days  
Selling, General and Administrative Expenses [Member]        
Allocated Share-based Compensation Expense $ 4.1 $ 2.3 $ 7.2 $ 4.4
Restricted Stock Units (RSUs) [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     64,931 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 19,994
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