Annual report pursuant to Section 13 and 15(d)

Note 1 - Description of Business and Summary of Significant Accounting Policies (Details Textual)

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Note 1 - Description of Business and Summary of Significant Accounting Policies (Details Textual) - USD ($)
12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2013
Equipment [Member]      
Property, Plant and Equipment, Useful Life 5 years    
Building, Building Improvements and Leasehold Improvements [Member] | Minimum [Member]      
Property, Plant and Equipment, Useful Life 5 years    
Building, Building Improvements and Leasehold Improvements [Member] | Maximum [Member]      
Property, Plant and Equipment, Useful Life 40 years    
Goodwill, Impairment Loss $ 0    
Impairment of Intangible Assets (Excluding Goodwill) 0    
Advertising Expense $ 4,100,000 $ 3,400,000 $ 3,200,000
Available-for-Sale Securities, Debt Maturities, Date Range Low 90 days    
Available-for-sale Securities, Debt Maturities, Date Range High 3 years    
Goodwill $ 390,638,000 $ 151,473,000 $ 84,336,000