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v3.20.1

Stockholders' Equity (Tables) | 6 Months Ended
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Mar. 31, 2020
Stock Options [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Assumptions Used in Estimate of Fair Value of Stock Option Awards |
| Three-Months Ended |  | Six-Months Ended
| March 31, |  | March 31,
| 2020 |  | 2019 |  | 2020 |  | 2019
Weighted-average exercise price per share | $ | 127.84 |  |  | $ | 77.12 |  |  | $ | 104.91 |  |  | $ | 79.12 |
Weighted-average grant date market value of Woodward stock | $ | 127.84 |  |  | $ | 77.12 |  |  | $ | 104.91 |  |  | $ | 79.12 |
Expected term (years) |  | 6.5 |  |  |  | 6.5 |  |  |  | 6.4 | - | 8.7 |  |  |  | 6.5 | - | 8.7 |
Estimated volatility |  | 25.7% |  |  |  | 25.8% | - | 26.0% |  |  |  | 25.7% | - | 30.1% |  |  |  | 25.7% | - | 31.0% |
Estimated dividend yield |  | 0.9% |  |  |  | 0.7% | - | 0.8% |  |  |  | 0.6% | - | 0.9% |  |  |  | 0.7% | - | 0.8% |
Risk-free interest rate |  | 1.7% |  |  |  | 2.6% |  |  |  | 1.6% | - | 1.7% |  |  |  | 2.6% | - | 3.1% |
Summary of Activity for Stock Option Awards |
|  | Three-Months Ended |  | Six-Months Ended
|  | March 31, 2020 |  | March 31, 2020
|  | Number of options |  | Weighted-Average Exercise Price per Share |  | Number of options |  | Weighted-Average Exercise Price per Share
Options, beginning balance |  |  | 5,766 |  | $ | $59.97 |  |  | 5,387 |  | $ | 53.73
Options granted |  |  | 3 |  |  | $127.84 |  |  | 629 |  |  | 104.91
Options exercised |  |  | (137) |  |  | $37.72 |  |  | (363) |  |  | 35.05
Options forfeited |  |  | (9) |  |  | $86.77 |  |  | (30) |  |  | 83.20
Options, ending balance |  |  | 5,623 |  |  | $60.50 |  |  | 5,623 |  |  | 60.50
Changes in Non-vested Stock Options |
|  | Three-Months Ended |  | Six-Months Ended
|  | March 31, 2020 |  | March 31, 2020
|  | Number of options |  | Weighted-Average Grant Date Fair Value per Share |  | Number of options |  | Weighted-Average Grant Date Fair Value Per Share
Non-vested options outstanding, beginning balance |  |  | 1,905 |  | $ | $25.90 |  |  | 2,068 |  | $ | 23.43
Options granted |  |  | 3 |  |  | $33.44 |  |  | 629 |  |  | 28.57
Options vested |  |  | (32) |  |  | $23.79 |  |  | (800) |  |  | 21.52
Options forfeited |  |  | (9) |  |  | $25.68 |  |  | (30) |  |  | 25.34
Non-vested options outstanding, ending balance |  |  | 1,867 |  |  | $25.95 |  |  | 1,867 |  |  | 25.95
Stock Options Vested, or Expected to Vest and Exercisable |
|  | Number |  | Weighted- Average Exercise Price |  | Weighted- Average Remaining Life in Years |  | Aggregate Intrinsic Value
Options outstanding |  |  | 5,623 |  | $ | 60.50 |  |  | 6.0 |  | $ | 56,006
Options vested and exercisable |  |  | 3,755 |  |  | 47.67 |  |  | 4.8 |  |  | 56,006
Options vested and expected to vest |  |  | 5,515 |  |  | 59.92 |  |  | 5.9 |  |  | 56,006
Restricted Stock Units (RSUs) [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Summary of Activity for Restricted Stock Units |
|  | Three-Months Ended |  | Six-Months Ended
|  | March 31, 2020 |  | March 31, 2020
|  |  | Number |  |  | Weighted-Average Grant Date Fair Value per Unit |  |  | Number |  |  | Fair Value per Share
Beginning balance |  |  | 9 |  | $ | 91.55 |  |  | 9 |  | $ | 91.55
Units granted |  |  | - |  |  | - |  |  | - |  |  | -
Units vested |  |  | - |  |  | - |  |  | - |  |  | -
Units forfeited |  |  | - |  |  | - |  |  | - |  |  | -
Ending balance |  |  | 9 |  |  | 91.55 |  |  | 9 |  |  | 91.55

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