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Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Common Stock [Member]
Common Class A [Member]
Common Stock [Member]
Common Class B [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
AOCI Attributable to Parent [Member]
Total
Accumulated balance consists of:            
          $ (49,985)
Balance at Jun. 30, 2017 $ 6,268 $ 762 $ 55,579 $ 79,402 $ (49,985) 92,026
Total comprehensive income       426 2,234 2,660
Dividends ($0.10 per share)       (699)   (699)
Repurchase of shares (58) (2) (459)     (519)
Issuance of stock 7 3 76     86
Stock-based compensation 18   98     116
Conversion 2 (2)        
Balance at Sep. 30, 2017 $ 6,237 $ 761 $ 55,294 $ 79,129 (47,751) 93,670
Accumulated balance consists of:            
Translation loss         (41,062)  
Pension and postretirement plans, net of taxes         (6,689)  
        $ (47,751) $ (47,751)