Summary of Significant Accounting Policies (Investments At Fair Value On A Recurring Basis) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Jun. 30, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term Investments	$ 4,134	$ 10,822
Mutual Funds [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term Investments	34	96
Bank Time Deposits [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term Investments	4,100	9,165
Variable Rate Demand Obligation [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term Investments		1,325
Repurchase Agreements [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term Investments		236
Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term Investments	34	96
Level 1 [Member] | Mutual Funds [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term Investments	34	96
Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term Investments	4,100	10,726
Level 2 [Member] | Bank Time Deposits [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term Investments	$ 4,100	9,165
Level 2 [Member] | Variable Rate Demand Obligation [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term Investments		1,325
Level 2 [Member] | Repurchase Agreements [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term Investments		$ 236