Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Share-based Compensation (Details Textual)

v3.3.1.900
Note 4 - Share-based Compensation (Details Textual) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Restricted Stock Units (RSUs) [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     35,000 34,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value     $ 105.01 $ 93.70
Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     19,994 9,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value     $ 99.53 $ 91.78
Selling, General and Administrative Expenses [Member]        
Allocated Share-based Compensation Expense $ 2.3 $ 2.1 $ 4.4 $ 3.4
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     777,000 564,000
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price     $ 105.67 $ 93.68
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value     $ 18.59 $ 14.27
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period     13,000 99,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value     $ 0.5 $ 2.2
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 20.3   $ 20.3  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 2 years 255 days