Schedule II - Valuation and Qualifying Accounts - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands		12 Months Ended
		Jun. 30, 2020	Jun. 30, 2019
SEC Schedule, 12-09, Allowance, Credit Loss [Member]
Balance at Beginning of Period		$ 1,582	$ 1,478
Charged to Costs and Expenses		399	236
Deductions	[1]	241	132
Balance at End of Period		1,740	1,582
SEC Schedule, 12-09, Reserve, Inventory [Member]
Balance at Beginning of Period		10,463	8,427
Charged to Costs and Expenses		1,532	1,934
Deductions	[1]	2,132
Reserve for inventory obsolescence	[1]		(102)
Balance at End of Period		$ 9,863	$ 10,463

[1] Activity primarily represents amounts written-off during the year, along with other adjustments (primarily foreign currency translation adjustments).