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Note 6 - Intangible Assets (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2011
Disclosure Text Block [Abstract]      
Amortization of Intangible Assets $ 2.7 $ 2.7 $ 2.4
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2.5    
Finite-Lived Intangible Assets, Amortization Expense, Year Two 2.2    
Finite-Lived Intangible Assets, Amortization Expense, Year Three 1.8    
Finite-Lived Intangible Assets, Amortization Expense, Year Four 1.4    
Finite-Lived Intangible Assets, Amortization Expense, Year Five 1.3    
Finite-Lived Intangible Assets, Amortization Expense, after Year Five $ 3.8