Summary of Significant Accounting Policies (Investments At Fair Value On A Recurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Jun. 30, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term Investments	$ 13,321	$ 11,227
Mutual Funds [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term Investments	25	64
Bank Time Deposits [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term Investments	9,581	6,603
Variable Rate Demand Obligation [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term Investments	1,715	2,560
Repurchase Agreements [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term Investments	2,000	2,000
Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term Investments	25	64
Level 1 [Member] | Mutual Funds [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term Investments	25	64
Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term Investments	13,296	11,163
Level 2 [Member] | Bank Time Deposits [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term Investments	9,581	6,603
Level 2 [Member] | Variable Rate Demand Obligation [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term Investments	1,715	2,560
Level 2 [Member] | Repurchase Agreements [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term Investments	$ 2,000	$ 2,000