Schedule II - Valuation and Qualifying Accounts (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Allowance for Doubtful Accounts [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Valuation Allowances and Reserves, Balance beginning of period	$ 1,230	$ 1,574	$ 1,175
Valuation Allowances and Reserves, Charged to Cost and Expense	546	249	484
Valuation Allowances and Reserves, Charged to Other Accounts	969	0	0
Valuation Allowances and Reserves, Deductions	(84)	(593)	(85)
Valuation Allowances and Reserves, Balance end of period	2,661	1,230	1,574
Valuation Allowance of Deferred Tax Assets [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Valuation Allowances and Reserves, Balance beginning of period	6,402	7,041	7,701
Valuation Allowances and Reserves, Charged to Cost and Expense	1,064	(1,166)	(365)
Valuation Allowances and Reserves, Charged to Other Accounts	0	0	0
Valuation Allowances and Reserves, Deductions	(491)	527	(295)
Valuation Allowances and Reserves, Balance end of period	$ 6,975	$ 6,402	$ 7,041