Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Allowance for Doubtful Accounts [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Valuation Allowances and Reserves, Balance beginning of period	$ 1,586	$ 2,564	$ 2,661
Valuation Allowances and Reserves, Charged to Cost and Expense	791	51	67
Valuation Allowances and Reserves, Charged to Other Accounts	20	330	0
Valuation Allowances and Reserves, Deductions	(1,501)	(1,359)	(164)
Valuation Allowances and Reserves, Balance end of period	896	1,586	2,564
Valuation Allowance of Deferred Tax Assets [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Valuation Allowances and Reserves, Balance beginning of period	9,830	10,456	11,183
Valuation Allowances and Reserves, Charged to Cost and Expense	214	1,466	(1,160)
Valuation Allowances and Reserves, Charged to Other Accounts	0	0	0
Valuation Allowances and Reserves, Deductions	(989)	(2,092)	(433)
Valuation Allowances and Reserves, Balance end of period	$ 9,055	$ 9,830	$ 10,456