Valuation and Qualifying Account (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012 Allowance for Doubtful Accounts [Member]	Jun. 30, 2011 Allowance for Doubtful Accounts [Member]	Jun. 30, 2010 Allowance for Doubtful Accounts [Member]	Jun. 30, 2012 Valuation Allowance for Deferred Tax Assets [Member]	Jun. 30, 2011 Valuation Allowance for Deferred Tax Assets [Member]	Jun. 30, 2010 Valuation Allowance for Deferred Tax Assets [Member]	Jun. 30, 2009 Valuation Allowance for Deferred Tax Assets [Member]
Valuation and Qualifying Accounts
Balance at Beginning of Period	$ 468	$ 493	$ 560	$ 224	$ 224	$ 224	$ 224
Additions Charged to Costs and Expenses	40	502	177
Deductions/ Write-offs Charged to Allowance	56	527	244
Balance at End of Period	$ 452	$ 468	$ 493	$ 224	$ 224	$ 224	$ 224