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Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) | 12 Months Ended
--- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2010
Exercise of stock options, shares | 26,500 | 32,000 | 31,900
Employee Stock Purchase Plans, shares | 4,395 | 699 |
Open market purchase of treasury shares, shares | 886,503 |  |
Other treasury share purchases | 52,992 | 30,154 | 49,138
Additional Paid-In Capital [Member] |  |  |
Exercise of stock options, shares | 26,500 | 32,000 | 31,900
Issuance of deferred shares, shares | 184,149 | 126,428 | 165,291
Employee Stock Purchase Plans, shares | 4,395 | 699 |
Retained Earnings [Member] |  |  |
Exercise of stock options, shares | 26,500 | 32,000 | 31,900
Treasury Stock [Member] |  |  |
Exercise of stock options, shares | 26,500 | 32,000 | 31,900
Issuance of deferred shares, shares | 184,149 | 126,428 | 165,291
Employee Stock Purchase Plans, shares | 4,395 | 699 |
Open market purchase of treasury shares, shares | 886,503 |  |
Other treasury share purchases | 52,992 | 30,154 | 49,138

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