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Consolidated Statements Of Stockholders' Equity And Comprehensive Income (USD $) In Thousands, except Share data | Treasury Stock [Member] | Common Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Retained Earnings [Member] | Comprehensive Income [Member] | Total
--- | --- | --- | --- | --- | --- | --- | ---
Balance, value at Jul. 31, 2008 | $ (73,684) | $ 5,732 | $ 93,683 | $ (1,963) | $ 675,928 |  |
Balance, shares at Jul. 31, 2008 | 1,877,339 | 57,317,263 |  |  |  |  |
Net income |  |  |  |  | 17,143 | 17,143 | 17,143
Stock option activity, shares |  | 1,000 |  |  |  |  | 1,000
Stock option activity, value |  |  | 27 |  |  |  |
Cash dividends |  |  |  |  | (15,523) |  |
Unrealized appreciation on investments, net of tax |  |  |  | 3,118 |  | 3,118 |
Foreign currency translation adjustment, net of tax |  |  |  | (85) |  | (85) |
Compensation expense |  |  | 657 |  |  |  |
Balance, value at Jul. 31, 2009 | (73,684) | 5,732 | 94,367 | 1,070 | 677,548 | 20,176 |
Balance, shares at Jul. 31, 2009 | 1,877,339 | 57,318,263 |  |  |  |  |
Net income |  |  |  |  | 110,064 | 110,064 | 110,064
Shares purchased, value | (115,420) |  |  |  |  |  |
Shares purchased, shares | 3,980,000 |  |  |  |  |  |
Stock option activity, shares |  | 586 |  |  |  |  | 586
Stock option activity, value |  |  | 16 |  |  |  |
Cash dividends |  |  |  |  | (42,408) |  |
Unrealized appreciation on investments, net of tax |  |  |  | 368 |  | 368 |
Foreign currency translation adjustment, net of tax |  |  |  | (1,762) |  | (1,762) |
Compensation expense |  |  | 1,387 |  |  |  |
Balance, value at Jul. 31, 2010 | (189,104) | 5,732 | 95,770 | (324) | 745,204 | 108,670 |
Balance, shares at Jul. 31, 2010 | 5,857,339 | 57,318,849 |  |  |  |  |
Net income |  |  |  |  | 106,273 | 106,273 | 106,273
Stock option activity, shares |  | 78,500 |  |  |  |  | 78,500
Stock option activity, value |  | 8 | 1,549 |  |  |  |
Cash dividends |  |  |  |  | (22,329) |  |
Unrealized appreciation on investments, net of tax |  |  |  | 257 |  | 257 |
Heartland acquisition, value |  | 430 | 90,101 |  |  |  |
Heartland acquisition, shares |  | 4,300,000 |  |  |  |  |
Compensation expense |  |  | 2,707 |  |  |  |
Balance, value at Jul. 31, 2011 | $ (189,104) | $ 6,170 | $ 190,127 | $ (67) | $ 829,148 | $ 106,530 |
Balance, shares at Jul. 31, 2011 | 5,857,339 | 61,697,349 |  |  |  |  |

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