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Stockholders' Equity (Tables) | 12 Months Ended
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Jul. 31, 2011
Stockholders' Equity |
Schedule Of Stock Option Activity |
|  | 2011 |  |  | 2010 |  |  | 2009 |
|  | Shares |  |  | Weighted- Average Exercise Price |  |  | Shares |  |  | Weighted- Average Exercise Price |  |  | Shares |  |  | Weighted- Average Exercise Price |
Outstanding at beginning of year |  |  | 1,381,725 |  |  |  |  | $ | 30.20 |  |  |  | 513,561 |  |  | $ | 23.47 |  |  |  | 514,561 |  |  | $ | 23.48 |
Exercised |  |  | (78,500) |  |  |  |  |  | 13.33 |  |  |  | (586) |  |  |  | 26.91 |  |  |  | (1,000) |  |  |  | 26.91 |
Canceled |  |  | – |  |  |  |  |  | – |  |  |  | (1,250) |  |  |  | 27.40 |  |  |  | – |  |  |  | – |
Granted |  |  | 130,000 |  |  |  |  |  | 27.72 |  |  |  | 870,000 |  |  |  | 34.17 |  |  |  | – |  |  |  | – |
Outstanding at end of year |  |  | 1,433,225 |  |  |  |  | $ | 30.90 |  |  |  | 1,381,725 |  |  | $ | 30.20 |  |  |  | 513,561 |  |  | $ | 23.47 |
Vested and expected to vest at end of year |  |  | 833,225 |  |  |  |  | $ | 27.82 |  |  |  | 1,381,725 |  |  | $ | 30.20 |  |  |  | 513,561 |  |  | $ | 23.47 |
Exercisable at end of year |  |  | 609,891 |  |  |  |  | $ | 27.84 |  |  |  | 445,057 |  |  | $ | 22.99 |  |  |  | 380,227 |  |  | $ | 22.39 |
Schedule Of Aggregate Intrinsic Value Of Options |
|  | 2011 |  |  | 2010 |  |  | 2009 |
Aggregate intrinsic value of options outstanding and expected to vest |  | $ | 647 |  |  | $ | 2,350 |  |  | $ | 1,509 |
Aggregate intrinsic value of options exercisable |  | $ | 647 |  |  | $ | 2,263 |  |  | $ | 1,509 |
Schedule Of Assumptions Used In Determining Fair Value Of Options |
Grant Date |  | July 19, 2011 |  |  | March 14, 2011 |  |  | July 20, 2010 |  |  | April 28, 2010 |
Expected volatility |  |  | 46% |  |  |  | 46% |  |  |  | 45% |  |  |  | 45% |
Expected life of grant |  |  | 6 years |  |  |  | 6 years |  |  |  | 6 years |  |  |  | 6 years |
Risk-free interest rate |  |  | 1.8% |  |  |  | 2.3% |  |  |  | 2.2% |  |  |  | 3.1% |
Expected dividend rate |  |  | 1.8% |  |  |  | 1.2% |  |  |  | 0.9% |  |  |  | 0.9% |
Summary Of Stock Award Activity |
|  | 2011 |  |  | 2010 |  |  | 2009 |
|  | Shares |  |  | Weighted Average Grant Date Fair Value |  |  | Shares |  |  | Weighted Average Grant Date Fair Value |  |  | Shares |  |  | Weighted Average Grant Date Fair Value |
Nonvested, Beginning of year |  |  | – |  |  |  | $ – |  |  |  | 4,000 |  |  |  | $ 26.91 |  |  |  | 32,000 |  |  |  | $ 19.22 |
Granted |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |
Vested |  |  | – |  |  |  | – |  |  |  | (4,000) |  |  |  | 26.91 |  |  |  | (28,000) |  |  |  | 18.12 |
Forfeited |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |
Nonvested, End of year |  |  | – |  |  |  | $ – |  |  |  | – |  |  |  | $ – |  |  |  | 4,000 |  |  |  | $ 26.91 |

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 718 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (c)(1) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 718 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (c)(1) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the weighted-average grant-date fair value of equity options or other equity instruments granted during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 718 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (d)(1) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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