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Note 6 - Intangible Assets (Details Textual) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
Amortization of Intangible Assets   $ 5,000 $ 3,600 $ 2,800
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months   8,100    
Finite-Lived Intangible Assets, Amortization Expense, Year Two   8,100    
Finite-Lived Intangible Assets, Amortization Expense, Year Three   7,600    
Finite-Lived Intangible Assets, Amortization Expense, Year Four   7,100    
Finite-Lived Intangible Assets, Amortization Expense, Year Five   6,700    
Finite-Lived Intangible Assets, Amortization Expense, after Year Five   $ 46,200    
Trademarks [Member] | Food Service Equipment Group [Member]        
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) $ 600      
Indefinite-Lived Intangible Assets (Excluding Goodwill) $ 0   $ 0