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Note 6. Restructuring Expense -Textuals (Details) (USD $)
3 Months Ended 6 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Restructuring Expense and Other Related Items        
Restructuring Charges $ 0 $ 31,000 $ 402,000 $ 91,000
Loss on sale of asset     (41,000) 26,000
Accrued Restructuring 0   0  
Fair Value, Measurements, Nonrecurring | Held for Sale Facilty and Land Related to the Gaylord, Michigan Exited Operation | Other Restructuring Plans | Unallocated Corporate and Eliminations
       
Restructuring Expense and Other Related Items        
Loss on sale of asset     $ 311,000