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Note 8 - Accrued Liabilities (Tables)
12 Months Ended
Jun. 30, 2016
Notes Tables  
Schedule of Accrued Liabilities [Table Text Block]
 
 
2016
 
 
2015
 
Payroll and employee benefits
  $ 28,375     $ 26,329  
Workers' compensation
    1,984       2,586  
Warranty
    9,085       8,066  
Other
    11,341       10,761  
Total
  $ 50,785     $ 47,742