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Restructuring Plans - Restructuring Activity (Details) - USD ($) $ in Thousands		12 Months Ended			36 Months Ended
	Feb. 21, 2017	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2020
Restructuring Reserve
Restructuring Expense		$ 0	$ 1,172	$ (1,185)
DSD Restructuring Plan
Restructuring Reserve
Restructuring Reserve-Beginning Balance				0	$ 0
Additions					4,583
Payments	$ 4,500				4,583
Non-Cash Settled					0
Adjustments					0
Restructuring Reserve-Ending Balance		0			0
Restructuring Expense		30	1,771	1,041
DSD Restructuring Plan \| Employee-related costs
Restructuring Reserve
Restructuring Reserve-Beginning Balance				0	0
Additions					2,634
Payments	2,600				2,634
Non-Cash Settled					0
Adjustments					0
Restructuring Reserve-Ending Balance		0			0
Restructuring Expense		30	1,487	612
DSD Restructuring Plan \| Other
Restructuring Reserve
Restructuring Reserve-Beginning Balance				0	0
Additions					1,949
Payments	$ 1,900				1,949
Non-Cash Settled					0
Adjustments					0
Restructuring Reserve-Ending Balance		0			$ 0
Restructuring Expense		$ 0	$ 284	$ 429