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Valuation and Qualifying Accounts (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2012
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Period $ 885 $ 1,431 $ 2,202
Charged to Costs and Expenses 121 585 (521)
Charged to Other Accounts 0 (666) (250)
Deductions (712) (465) 0
Balance at End of Period 294 885 1,431
Allowance for Doubtful Accounts [Member]
      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Period 795 1,201 1,428
Charged to Costs and Expenses 121 725 23
Charged to Other Accounts 0 (666) [1] (250)
Deductions (712) [2] (465) 0
Balance at End of Period 204 795 1,201
Valuation Allowance of Deferred Tax Assets [Member]
      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at Beginning of Period 90 230 774
Charged to Costs and Expenses 0 (140) [3] (544)
Charged to Other Accounts 0 0 0
Deductions 0 0 0
Balance at End of Period $ 90 $ 90 $ 230
[1] Collection of a fully reserved receivable recognized as revenue
[2] Receivables written off against allowance for doubtful accounts.
[3] Release of the valuation allowance on foreign tax credit carryovers which have now been determined to be utilizable