Annual report pursuant to Section 13 and 15(d)

Note 10 - Share-Based Compensation (Details Textual)

v3.2.0.727
Note 10 - Share-Based Compensation (Details Textual) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Jun. 30, 2015
Oct. 01, 2011
Jul. 26, 2011
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2013
Stock Appreciation Rights (SARs) [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross       0    
Restricted Stock [Member]            
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 0.3     $ 0.3    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 1 year          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value       $ 0.8 $ 0.9  
Restricted Stock Units (RSUs) [Member] | Chief Executive Officer [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number 126,000     126,000    
Stock Option Plan 1992 [Member] | Maximum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 6,487,867     6,487,867    
Stock Option Plan 1992 [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 1,382,400     1,382,400    
Maximum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term       5 years    
Minimum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term       3 years    
Employees [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term       5 years    
Independent Directors [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term       3 years    
Chief Executive Officer [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross   300,000        
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price   $ 13.61        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period   5 years        
Stock Issued During Period, Shares, Restricted Stock Award, Gross   105,000 30,000      
Certain Executives Not Including Chief Executive Officer [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross       195,000    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period       3 years    
Vesting Condition, Minimum Annual Growth in Operating Income       5.00%    
Vesting Condition, Cumulative Compound Growth Rate       5.00%    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number 43,667     43,667    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 282,333     282,333    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross       221,316    
Allocated Share-based Compensation Expense       $ 1.2 1.3 $ 1.4
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense       $ 0.5 $ 0.5 $ 0.5
Share-based Compensation Arrangement by Share-based Payment Award, Options, Contractual Term       10 years    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term       3 years 182 days    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 994,888     994,888 1,323,376  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value       $ 11.30 $ 11.42 $ 9.96
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value       $ 4.5 $ 0.2 $ 0.8
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 3.1     $ 3.1    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition       3 years