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Stock Compensation Plan (Tables) | 12 Months Ended
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Jul. 31, 2011
Stock Compensation Plan |
Schedule Of Share Based Compensation Valuation Model |
|  | Year Ended July 31, |
|  | 2011 |  |  | 2010 |  |  | 2009 |
Expected volatility |  |  | 42.5 | % |  |  | 43.3 | % |  |  | 37.1-41.0 | %
Expected dividends |  |  | -- | % |  |  | -- | % |  |  | -- | %
Expected term (average in years) |  |  | 4.6 |  |  |  | 4.7 |  |  |  | 5.4-5.7 |
Risk-free rate |  |  | 0.3-4.5 | % |  |  | 0.4-4.6 | % |  |  | 2.1-4.9 | %
Schedule Of Share Based Compensation Option And SARs Award Activity |
|  | Awards |  |  | Weighted-Average Exercise Price |  |  | Weighted-Average Remaining Contractual Term |  |  | Aggregate Intrinsic Value |
Outstanding at August 1, 2008 |  |  | 1,219 |  |  | $ | 32.83 |  |  |  |  |  |  |  |  |
Granted |  |  | 1,055 |  |  |  | 27.88 |  |  |  |  |  |  |  |  |
Exercised |  |  | (31 | ) |  |  | 17.54 |  |  |  |  |  |  |  |  |
Forfeited or expired |  |  | (60 | ) |  |  | 38.97 |  |  |  |  |  |  |  |  |
Outstanding at July 31, 2009 |  |  | 2,183 |  |  | $ | 30.49 |  |  |  |  |  |  |  |  |
Granted |  |  | 377 |  |  |  | 35.86 |  |  |  |  |  |  |  |  |
Exercised |  |  | (46 | ) |  |  | 23.60 |  |  |  |  |  |  |  |  |
Forfeited or expired |  |  | (137 | ) |  |  | 42.30 |  |  |  |  |  |  |  |  |
Outstanding at July 31, 2010 |  |  | 2,377 |  |  | $ | 30.80 |  |  |  |  |  |  |  |  |
Granted |  |  | 371 |  |  |  | 37.40 |  |  |  |  |  |  |  |  |
Exercised |  |  | (67 | ) |  |  | 20.06 |  |  |  |  |  |  |  |  |
Forfeited or expired |  |  | (20 | ) |  |  | 28.59 |  |  |  |  |  |  |  |  |
Outstanding at July 31, 2011 |  |  | 2,661 |  |  | $ | 32.02 |  |  |  | 6.6 years |  |  | $ | 38,891 |
Exercisable at July 31, 2011 |  |  | 1,361 |  |  | $ | 34.12 |  |  |  | 5.2 years |  |  | $ | 18,172 |
Schedule of Share Based Compensation SARs Activity |
|  | Awards |  |  | Weighted-Average Grant-Date Fair Value |
Outstanding at July 31, 2010 |  |  | 1,228 |  |  | $ | 7.37 |
Granted |  |  | 371 |  |  |  | 13.84 |
Vested |  |  | (288 | ) |  |  | 14.98 |
Forfeited |  |  | (11 | ) |  |  | 10.95 |
Nonvested at July 31, 2011 |  |  | 1,300 |  |  | $ | 11.17 |
Schedule Of Share Based Compensation Restricted Stock Units Activity |
|  | Awards |  |  | Weighted-Average Grant-Date Fair Value |
Outstanding at July 31, 2010 |  |  | 371 |  |  | $ | 30.07 |
Granted |  |  | 201 |  |  |  | 37.03 |
Vested |  |  | (143 | ) |  |  | 41.22 |
Forfeited |  |  | (21 | ) |  |  | 27.86 |
Nonvested at July 31, 2011 |  |  | 408 |  |  | $ | 33.47 |

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 718 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (c)(2) -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 number and weighted-average exercise prices (or conversion ratios) for stock options and stock appreciation rights that were outstanding at the beginning and end of the year, exercisable at the end of the year, and the number of stock options and stock appreciation rights 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 significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 718 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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