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Restructuring Charges - Cody Restructuring Program (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Jun. 29, 2018
Restructuring Charges        
Restructuring expenses $ 1,771 $ 4,095 $ 7,061  
Cody Restructuring Plan        
Restructuring Charges        
Restructuring expenses   (585)    
Cody Restructuring Plan | Employee separation costs        
Restructuring Charges        
Aggregate restructuring charges       $ 2,500
Restructuring expenses   $ (585)