Schedule II - Valuation and Qualifying Accounts (Details) - Valuation and Qualifying Accounts - USD ($) $ in Thousands		12 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Allowance for Doubtful Accounts [Member]
Allowance for Doubtful Accounts:
Balance Beginning of Period		$ 294	$ 346	$ 385
Additions Charged to Costs and Expenses		220	6	269
Deductions	[1]	(197)	(58)	(308)
Balance End of Period		317	294	346
Inventory Valuation Reserve [Member]
Allowance for Doubtful Accounts:
Balance Beginning of Period		2,298	3,087	2,156
Additions Charged to Costs and Expenses		1,493	1,464	2,957
Additions (Deductions) From Company Acquired (Sold)		(417)
Deductions	[1]	(1,177)	(2,253)	(2,026)
Balance End of Period		2,197	2,298	3,087
Valuation Allowance of Deferred Tax Assets [Member]
Allowance for Doubtful Accounts:
Balance Beginning of Period		6,450	5,750	5,009
Additions Charged to Costs and Expenses			$ 700	$ 741
Additions (Deductions) From Company Acquired (Sold)		(283)
Deductions	[1]	(5)
Balance End of Period		$ 6,162	$ 6,450	$ 5,750

[1] For Allowance for Doubtful Accounts, deductions are uncollectible accounts charged off, less recoveries.