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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) | 12 Months Ended |
--- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2010
Common Class A [Member] |  |  |  |
Purchases of Common Stock, Shares | 55,052 |  |  |
Purchases of stock under ESPP, Shares | 48,679 | 28,998 | 25,781 |
Common stock outstanding, Shares | 13,865,021 | 13,862,505 | 13,862,445 | 13,862,445
Common Class C [Member] |  |  |  |
Conversion of shares of class C common stock for class A common stock, Shares | 2,516 | 60 |  |
Common stock outstanding, Shares | 2,070,527 | 2,073,043 | 2,073,103 | 2,073,103

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