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Stockholders' Equity (Tables) - Stock Options [Member] | 3 Months Ended
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Dec. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Summary of Activity for Stock Option Awards | The following is a summary of the activity for stock option awards:
|  | Three-Months Ended |
|  | December 31, 2021 |
|  | Number of options |  |  | Weighted-Average Exercise Price per Share |
Options, beginning balance |  |  | 5,339 |  |  | $ | 68.21 |
Options granted |  |  | 437 |  |  |  | 117.60 |
Options exercised |  |  | (57 | ) |  |  | 55.89 |
Options forfeited |  |  | (8 | ) |  |  | 83.89 |
Options, ending balance |  |  | 5,711 |  |  |  | 72.10 |
Changes in Non-vested Stock Options | Changes in non-vested stock options were as follows:
|  | Three-Months Ended |
|  | December 31, 2021 |
|  | Number of options |  |  | Weighted-Average Grant Date Fair Value per Share |
Non-vested options outstanding, beginning balance |  |  | 2,063 |  |  | $ | 25.77 |
Options granted |  |  | 437 |  |  |  | 42.19 |
Options vested |  |  | (648 | ) |  |  | 26.53 |
Options forfeited |  |  | (8 | ) |  |  | 27.97 |
Non-vested options outstanding, ending balance |  |  | 1,844 |  |  |  | 29.39 |
Stock Options Vested, or Expected to Vest and Exercisable | Information about stock options that have vested, or are expected to vest, and are exercisable at December 31, 2021 was as follows:
|  | Number of options |  |  | Weighted-Average Exercise Price |  |  | Weighted-Average Remaining Life in Years |  |  | Aggregate Intrinsic Value |
Options outstanding |  |  | 5,711 |  |  | $ | 72.10 |  |  |  | 6.1 |  |  | $ | 217,330 |
Options vested and exercisable |  |  | 3,867 |  |  |  | 63.41 |  |  |  | 4.9 |  |  |  | 178,128 |
Options vested and expected to vest |  |  | 5,632 |  |  |  | 71.77 |  |  |  | 6.0 |  |  |  | 215,890 |

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- Definition Tabular disclosure of the changes in outstanding nonvested shares. + 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 (c)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the change in stock options. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding and exercisable options that are fully vested and expected to vest. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + 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 (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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