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Restructuring Charges - Cody Restructuring Program - Change (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Reconciliation of the changes in restructuring liabilities
Restructuring charges	$ 1,771	$ 4,095	$ 7,061
Cody Restructuring Plan
Reconciliation of the changes in restructuring liabilities
Beginning balance for the period	108
Restructuring charges		(585)
Payments	(108)
Ending balance for the period		108
Cody Restructuring Plan \| Employee separation costs
Reconciliation of the changes in restructuring liabilities
Beginning balance for the period	108
Restructuring charges		(585)
Payments	$ (108)
Ending balance for the period		$ 108