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Business Segments (Detail Textuals) - USD ($)
$ in Thousands
Mar. 31, 2018
Jun. 30, 2017
Segment Reporting Information [Line Items]    
Equity method investments $ 4,106  
Animal Health    
Segment Reporting Information [Line Items]    
Equity method investments 4,106 $ 3,719
Performance Products    
Segment Reporting Information [Line Items]    
Equity method investments $ 673 $ 516