Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Valuation Allowance of Deferred Tax Assets [Member]
Balance at Beginning of Period	$ 5,246	$ 4,501	$ 3,334
Provisions	117	1,193	1,242
Charges to Other Accounts	1	(344)	(24)
Write-offs	(2,442)	(104)	(51)
Balance at End of Period	2,922	5,246	4,501
Allowance for Doubtful Accounts [Member]
Balance at Beginning of Period	887	612	704
Provisions	284	352	179
Charges to Other Accounts	(23)	(2)	(163)
Write-offs	(202)	(75)	(108)
Balance at End of Period	$ 946	$ 887	$ 612