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Note 8 - Warranties (Tables)
9 Months Ended
Mar. 31, 2015
Product Warranties Disclosures [Abstract]  
Schedule of Product Warranty Liability [Table Text Block]
   

March 31, 2015

   

June 30, 2014

 

Balance at beginning of year

  $ 6,941     $ 6,782  

Acquisitions and other

    50       274  

Warranty expense

    8,335       3,937  

Warranty claims

    (8,014 )     (4,052 )

Balance at end of period

  $ 7,312     $ 6,941