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Stock-based Payment Compensation (Tables) | 6 Months Ended
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Jan. 31, 2021
Share-based Payment Arrangement [Abstract] |
Summary of option activity for stock options | The following is a summary of activity for the Company’s stock options for the six months ended January 31, 2021:
(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, 2020 |  | 8,059 |  |  | $ | 41.44 |  |  | 6.72 |  | $ | 417,529 |
Grants of options |  | 550 |  |  | 108.41 |  |  |  |  |
Exercises |  | (889) |  |  | 25.99 |  |  |  |  |
Forfeitures or expirations |  | (212) |  |  | 47.14 |  |  |  |  |
Outstanding as of January 31, 2021 |  | 7,508 |  |  | $ | 48.01 |  |  | 6.52 |  | $ | 463,953 |
Exercisable as of January 31, 2021 |  | 4,326 |  |  | $ | 31.20 |  |  | 5.20 |  | $ | 339,848 |
Recognized stock-based compensation expense | The table below sets forth the stock-based compensation recognized by the Company for stock options, restricted stock, and restricted unit awards:
|  | Three Months Ended January 31, |  | Six Months Ended January 31,
(In thousands) |  | 2021 |  | 2020 |  | 2021 |  | 2020
General and administrative |  | $ | 7,051 |  |  | $ | 4,704 |  |  | $ | 14,433 |  |  | $ | 9,145 |
Yard operations |  | 1,814 |  |  | 1,437 |  |  | 3,345 |  |  | 2,529 |
Total stock-based compensation |  | $ | 8,865 |  |  | $ | 6,141 |  |  | $ | 17,778 |  |  | $ | 11,674 |
Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] | The following is a summary of activity for the Company’s RSA’s and RSU’s for the six months ended January 31, 2021:
(In thousands, except per share data) |  | Restricted Shares |  | Weighted Average Grant Date Fair Value
Outstanding as of July 31, 2020 |  | 105 |  |  | $ | 69.86 |
Grants |  | 26 |  |  | 115.58 |
Vested |  | (21) |  |  | 70.71 |
Forfeitures or expirations |  | (5) |  |  | 61.79 |
Outstanding as of January 31, 2021 |  | 105 |  |  | $ | 41.92 |

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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