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Balance Sheets-Additional Information - Additional Information (Details) - USD ($)
$ in Thousands
6 Months Ended
Dec. 31, 2020
Jun. 30, 2020
Additional Information Of Balance Sheet [Line Items]    
Equity method investments $ 4,638 $ 4,219
Liability balance remaining related to contract termination and employee separation costs 1,535 $ 2,860
Animal Health    
Additional Information Of Balance Sheet [Line Items]    
Equity method investments 3,098  
Liability balance remaining related to contract termination and employee separation costs 1,200  
Employee separation costs $ 335