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Business Segments (Detail Textuals) - USD ($)
$ in Thousands
Jun. 30, 2017
Jun. 30, 2016
Segment Reporting Information [Line Items]    
Equity method investments $ 4,235 $ 4,580
Animal Health    
Segment Reporting Information [Line Items]    
Equity method investments 3,719 4,076
Performance Products    
Segment Reporting Information [Line Items]    
Equity method investments $ 516 $ 504