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Stockholder's Equity (Tables) | 12 Months Ended
--- | ---
Jul. 31, 2012
Equity [Abstract] |
Schedule of stock options exercised |
Period |  |  |  | Options Exercised |  | Exercise Price |  | Shares Net Settled for Exercise |  | Shares Withheld for Taxes(1) |  | Net Shares to Employee |  | Share Price for Withholding |  | Tax Withholding (in 000’s)
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
FY 2010—Q1 |  |  |  |  | 647,262 |  |  | $ | 6.52 |  |  |  | 228,708 |  |  |  | 191,492 |  |  |  | 227,062 |  |  | $ | 18.45 |  |  | $ | 3,533 |
FY 2010—Q4 |  |  |  |  | 700,000 |  |  | $ | 6.46 |  |  |  | 245,844 |  |  |  | 211,654 |  |  |  | 242,502 |  |  | $ | 18.38 |  |  | $ | 3,890 |
FY 2011—Q2 |  |  |  |  | 177,500 |  |  | $ | 8.47 |  |  |  | 76,050 |  |  |  | 37,834 |  |  |  | 63,616 |  |  | $ | 19.76 |  |  | $ | 748 |
FY 2011—Q3 |  |  |  |  | 548,334 |  |  | $ | 11.02 |  |  |  | 295,496 |  |  |  | 118,032 |  |  |  | 134,806 |  |  | $ | 20.40 |  |  | $ | 2,408 |
FY 2011—Q4 |  |  |  |  | 180,000 |  |  | $ | 9.48 |  |  |  | 76,396 |  |  |  | 48,366 |  |  |  | 55,238 |  |  | $ | 22.33 |  |  | $ | 1,080 |
FY 2012—Q1 |  |  |  |  | 40,000 |  |  | $ | 9.00 |  |  |  | 16,082 |  |  |  | 8,974 |  |  |  | 14,944 |  |  | $ | 22.39 |  |  | $ | 201 |
FY 2012—Q2 |  |  |  |  | 20,000 |  |  | $ | 9.00 |  |  |  | 7,506 |  |  |  | 4,584 |  |  |  | 7,910 |  |  | $ | 23.98 |  |  | $ | 110 |
FY 2012—Q3 |  |  |  |  | 322,520 |  |  | $ | 10.74 |  |  |  | 131,298 |  |  |  | 85,684 |  |  |  | 105,538 |  |  | $ | 26.38 |  |  | $ | 2,260 |
____________ (1) Shares withheld for taxes are treated as a repurchase of shares for accounting purposes but do not count against the Company’s stock repurchase program.
Schedule of share-based compensation expense |
|  |  |  | Years Ended July 31, |
--- | --- | --- | --- | --- | ---
|  |  |  | 2012 |  | 2011 |  | 2010
General and administrative |  |  |  | $ | 18,802 |  |  | $ | 17,976 |  |  | $ | 16,846 |
Yard operations |  |  |  |  | 2,989 |  |  |  | 1,031 |  |  |  | 1,109 |
Total |  |  |  | $ | 21,791 |  |  | $ | 19,007 |  |  | $ | 17,955 |
Schedule of non-vested shares |
|  |  |  | Number of Shares (in 000’s) |  | Weighted Average Grant- date Fair Value
--- | --- | --- | --- | --- | --- | ---
Non-vested shares at July 31, 2011 |  |  |  |  | 8,328 |  |  | $ | 6.66 |
Grants of options |  |  |  |  | 880 |  |  |  | 6.01 |
Vested |  |  |  |  | (3,156 | ) |  |  | 6.63 |
Forfeitures or expirations |  |  |  |  | (39 | ) |  |  | 5.33 |
Non-vested shares at July 31, 2012 |  |  |  |  | 6,013 |  |  | $ | 6.59 |
Schedule of option activity |
|  |  |  | Shares (in 000’s) |  | Weighted- Average Exercise Price |  | Weighted-Average Remaining Contractual Term |  | Aggregate Intrinsic Value (in 000’s)
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Outstanding at July 31, 2011 |  |  |  |  | 16,705 |  |  | $ | 15.50 |  |  |  | 7.18 |  |  | $ | 103,979 |
Grants of options |  |  |  |  | 880 |  |  |  | 22.54 |  |  |  | — |  |  |  | — |
Exercises |  |  |  |  | (1,367 | ) |  |  | 11.58 |  |  |  | — |  |  |  | — |
Forfeitures or expirations |  |  |  |  | (39 | ) |  |  | 16.43 |  |  |  | — |  |  |  | — |
Outstanding at July 31, 2012 |  |  |  |  | 16,179 |  |  | $ | 16.24 |  |  |  | 6.60 |  |  | $ | 121,977 |
Exercisable at July 31, 2012 |  |  |  |  | 10,166 |  |  | $ | 15.38 |  |  |  | 6.02 |  |  | $ | 85,146 |
Vested and expected to vest at July 31, 2012 |  |  |  |  | 15,533 |  |  | $ | 16.21 |  |  |  | 6.61 |  |  | $ | 117,326 |
Schedule of stock options outstanding and exercisable |
|  |  |  | Options Outstanding |  | Options Exercisable |
--- | --- | --- | --- | --- | --- | --- | ---
Range of Exercise Prices |  |  |  | Number Outstanding at July 31, 2012 (in 000’s) |  | Weighted- Average Remaining Contractual Life |  | Weighted- Average Exercise Price |  | Number Exercisable at July 31, 2012 (in 000’s) |  | Weighted- Average Exercise Price
$3.87–$11.87 |  |  |  |  | 479 |  |  |  | 1.25 |  |  | $ | 7.49 |  |  |  | 479 |  |  | $ | 7.49 |
$12.01–$14.95 |  |  |  |  | 1,090 |  |  |  | 3.90 |  |  | $ | 12.72 |  |  |  | 1,089 |  |  | $ | 12.72 |
$15.11–$15.11 |  |  |  |  | 8,000 |  |  |  | 6.71 |  |  | $ | 15.11 |  |  |  | 5,200 |  |  | $ | 15.11 |
$16.38–$26.08 |  |  |  |  | 6,610 |  |  |  | 7.30 |  |  | $ | 18.82 |  |  |  | 3,398 |  |  | $ | 17.78 |
|  |  |  |  | 16,179 |  |  |  | 6.60 |  |  | $ | 16.24 |  |  |  | 10,166 |  |  | $ | 15.38 |

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