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Note 15 - Share-based Compensation Plans (Tables) | 12 Months Ended
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Oct. 31, 2023
Notes Tables |
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  |  |  |  |  |  |  |  |  | Weighted- |  |  |  |  |
|  |  |  |  |  |  |  |  |  | Average |  |  |  |  |
|  |  |  |  |  |  |  |  |  | Remaining |  |  |  |  |
|  | October 31, |  |  | Weighted-Average |  |  | Contractual |  |  | Aggregate |
|  | 2023 |  |  | Exercise Price |  |  | Life (Years) |  |  | Intrinsic Value |
Stock options outstanding at beginning of period |  |  | 166,559 |  |  | $ | 48.02 |  |  |  |  |  |  |  |  |
Granted |  |  | - |  |  | $ | - |  |  |  |  |  |  |  |  |
Exercised |  |  | (4,363 | ) |  | $ | 31.14 |  |  |  |  |  |  |  |  |
Forfeited |  |  | (250 | ) |  | $ | 7.85 |  |  |  |  |  |  |  |  |
Expired |  |  | (18,399 | ) |  | $ | 157.00 |  |  |  |  |  |  |  |  |
Stock options outstanding at end of period |  |  | 143,547 |  |  | $ | 34.63 |  |  |  | 4.4 |  |  | $ | 5,231,933 |
Stock options exercisable at end of period |  |  | 132,903 |  |  | $ | 36.66 |  |  |  | 4.3 |  |  | $ | 4,590,643 |
Schedule of Nonvested Share Activity [Table Text Block] |
|  | October 31, |  |  | Weighted-Average Grant Date |
|  | 2023 |  |  | Fair Value |
Nonvested time-based at beginning of period |  |  | 175,637 |  |  | $ | 33.43 |
Granted |  |  | 63,275 |  |  | $ | 87.92 |
Vested (1) |  |  | (97,183 | ) |  | $ | 29.89 |
Forfeited |  |  | (9,586 | ) |  | $ | 43.90 |
Nonvested time-based at end of period |  |  | 132,143 |  |  | $ | 52.79 |
|  | October 31, |  |  | Weighted-Average Grant Date |
|  | 2023 |  |  | Fair Value |
Nonvested performance-based at beginning of period |  |  | 507,157 |  |  | $ | 41.14 |
Granted |  |  | 272,567 |  |  | $ | 56.09 |
Vested (1) |  |  | (184,911 | ) |  | $ | 42.79 |
Forfeited |  |  | (13,313 | ) |  | $ | 51.39 |
Nonvested performance-based at end of period |  |  | 581,500 |  |  | $ | 73.90 |

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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 -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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