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Stockholder's Equity (Tables) | 12 Months Ended
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Jul. 31, 2020
Equity [Abstract] |
Schedule of stock options exercised utilizing a cashless exercise | The exercised stock options, utilizing a cashless exercise, are summarized in the following table:
Period |  | Options Exercised |  | Weighted Average Exercise Price |  | Shares Net Settled for Exercise |  | Shares Withheld for Taxes (1) |  | Net Shares to Employees |  | Weighted Average Share Price for Withholding |  | Employee Stock Based Tax Withholding (in 000s)
FY 2018—Q2 |  | 80,000 |  |  | $ | 6.54 |  |  | 11,996 |  |  | — |  |  | 68,004 |  |  | $ | 43.60 |  |  | $ | — |
FY 2019—Q3 |  | 3,000,000 |  |  | 17.81 |  |  | 945,162 |  |  | 806,039 |  |  | 1,248,799 |  |  | 56.53 |  |  | 45,565 |
FY 2020—Q1 |  | 4,000,000 |  |  | 17.81 |  |  | 865,719 |  |  | 1,231,595 |  |  | 1,902,686 |  |  | 82.29 |  |  | 101,348 |
(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 | The following table details stock-based compensation recognized by the Company for stock options and restricted stock awards:
|  | Year Ended July 31, |  |  |  |
(In thousands) |  | 2020 |  | 2019 |  | 2018
General and administrative |  | $ | 17,567 |  |  | $ | 18,254 |  |  | $ | 19,351 |
Yard operations |  | 5,755 |  |  | 5,191 |  |  | 3,870 |
Total stock-based compensation |  | $ | 23,322 |  |  | $ | 23,445 |  |  | $ | 23,221 |
Schedule of non-vested shares | A summary of the status of the Company’s non-vested shares from stock option awards and its activity during the year ended July 31, 2020 was as follows:
(In thousands, except per share amounts) |  | Shares |  | Weighted Average Grant- date Fair Value
Non-vested shares at July 31, 2019 |  | 4,209 |  |  | $ | 11.05 |
Grants of non-vested shares |  | 1,175 |  |  | 24.89 |
Vested |  | (1,874) |  |  | 9.98 |
Forfeitures or expirations |  | (207) |  |  | 7.82 |
Non-vested shares at July 31, 2020 |  | 3,303 |  |  | $ | 17.58 |
Schedule of option activity | The following is a summary of activity for the Company’s stock options for the year ended July 31, 2020:
(In thousands, except per share and term data) |  | Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term (In years) |  | Aggregate Intrinsic Value
Outstanding as of July 31, 2019 |  | 14,552 |  |  | $ | 26.29 |  |  | 6.04 |  | $ | 745,592 |
Grants of options |  | 1,175 |  |  | 85.45 |  |  |  |  |
Exercises |  | (7,461) |  |  | 19.15 |  |  |  |  |
Forfeitures or expirations |  | (207) |  |  | 29.95 |  |  |  |  |
Outstanding as of July 31, 2020 |  | 8,059 |  |  | $ | 41.44 |  |  | 6.72 |  | $ | 417,529 |
Exercisable as of July 31, 2020 |  | 4,756 |  |  | $ | 28.17 |  |  | 5.46 |  | $ | 309,493 |
Vested and expected to vest as of July 31, 2020 |  | 7,758 |  |  | $ | 41.14 |  |  | 6.77 |  | $ | 404,240 |
Schedule of restricted stock activity | The following is a summary of activity for the Company’s restricted stock for the for the year ended July 31, 2020:
(In thousands, except per share data) |  | Restricted Shares |  | Weighted Average Grant Date Fair Value
Outstanding as of July 31, 2019 |  | 134 |  |  | $ | 56.62 |
Grants of restricted stock |  | 68 |  |  | 82.33 |
Vested restricted stock |  | (74) |  |  | 60.74 |
Forfeited restricted stock |  | (23) |  |  | 59.03 |
Outstanding as of July 31, 2020 |  | 105 |  |  | $ | 69.86 |
Schedule of stock options outstanding and exercisable | The following table summarizes stock options outstanding and exercisable as of July 31, 2020:
(In thousands, except per share amounts) |  |  |  | Options Outstanding |  |  |  |  |  | Options Exercisable |  |
Range of Exercise Prices |  |  |  | Number |  | Weighted Average Remaining Contractual Life |  | Weighted Average Exercise Price |  | Number |  | Weighted Average Exercise Price
$12.48 | — | $17.64 |  | 259 |  |  | 2.53 |  | $ | 14.26 |  |  | 258 |  |  | $ | 14.25 |
$17.73 | — | $27.93 |  | 3,138 |  |  | 4.90 |  | 19.81 |  |  | 3,045 |  |  | 19.64 |
$30.97 | — | $36.32 |  | 1,393 |  |  | 7.12 |  | 35.69 |  |  | 573 |  |  | 35.73 |
$43.96 | — | $88.58 |  | 3,269 |  |  | 8.62 |  | 66.81 |  |  | 880 |  |  | 56.87 |
Outstanding as of July 31, 2020 |  |  |  | 8,059 |  |  | 6.72 |  | $ | 41.44 |  |  | 4,756 |  |  | $ | 28.17 |

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