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Stock-Based Compensation - Non-options (Details) - USD ($) |  |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 07, 2023 | Dec. 22, 2022 | Dec. 01, 2022 | Nov. 03, 2022 | Jun. 30, 2023 | Apr. 30, 2023 | Jul. 31, 2023 | Jul. 31, 2022 | Jul. 31, 2023 | Jul. 31, 2022
Restricted stock |  |  |  |  |  |  |  |  |  |
Share-based Compensation |  |  |  |  |  |  |  |  |  |
Stock closing price awarded (in dollars per share) |  |  |  |  |  |  |  |  | $ 34.13 |
Stock-based compensation expense |  |  |  |  |  |  | $ 200,000 | $ 400,000 | $ 1,900,000 | $ 1,800,000
Outstanding (in shares), Beginning Balance |  |  |  |  |  |  | 40,000 |  | 67,000 |
Granted (in shares) |  |  |  |  |  |  |  |  | 38,000 |
Vested (in shares) |  |  |  |  |  |  | (6,000) |  | (71,000) |
Forfeited (in shares) |  |  |  |  |  |  | (4,000) |  | (4,000) |
Outstanding (in shares), Ending Balance |  |  |  |  |  | 40,000 | 30,000 |  | 30,000 |
Outstanding, Weighted-Average Exercise Price, beginning balance |  |  |  |  |  |  | $ 35.54 |  | $ 45.01 |
Granted, Weighted-Average Grant Price |  |  |  |  |  |  |  |  | 34.13 |
Vested, Weighted-Average Grant Price |  |  |  |  |  |  | 34.51 |  | 41.85 |
Forfeited, Weighted-Average Grant Price |  |  |  |  |  |  | 36.81 |  | 36.81 |
Outstanding, Weighted-Average Exercise Price, ending balance |  |  |  |  |  | $ 35.54 | $ 35.38 |  | $ 35.38 |
Aggregate Intrinsic Value |  |  |  |  |  |  | $ 1,118,000 |  | $ 1,118,000 |
Unrecognized stock based compensation expenses |  |  |  |  |  |  | 300,000 |  | $ 300,000 |
Unrecognized compensation cost period |  |  |  |  |  |  |  |  | 3 months 18 days |
Restricted stock | Former CEO |  |  |  |  |  |  |  |  |  |
Share-based Compensation |  |  |  |  |  |  |  |  |  |
Shares granted value |  |  |  | $ 100,000 |  |  |  |  |  |
Stock closing price awarded (in dollars per share) |  | $ 30.12 |  |  |  |  |  |  |  |
Stock-based compensation expense |  |  |  |  |  |  | 800,000 |  | $ 800,000 |
Granted (in shares) |  | 3,321 |  |  |  |  |  |  |  |
Vested (in shares) | (19,329) |  |  |  |  |  |  |  |  |
Granted, Weighted-Average Grant Price |  | $ 30.12 |  |  |  |  |  |  |  |
Restricted stock | Board of Directors |  |  |  |  |  |  |  |  |  |
Share-based Compensation |  |  |  |  |  |  |  |  |  |
Stock closing price awarded (in dollars per share) |  |  | $ 34.51 |  |  |  |  |  |  |
Stock-based compensation expense |  |  |  |  |  |  | $ 300,000 |  | $ 800,000 |
Granted (in shares) |  |  | 34,780 |  |  |  |  |  |  |
Vested (in shares) |  |  |  |  |  | (3,356) |  |  |  |
Forfeited (in shares) |  |  |  |  |  | (3,600) |  |  |  |
Outstanding (in shares), Ending Balance |  |  |  |  |  |  | 27,824 |  | 27,824 |
Granted, Weighted-Average Grant Price |  |  | $ 34.51 |  |  |  |  |  |  |
Restricted stock | Officer |  |  |  |  |  |  |  |  |  |
Share-based Compensation |  |  |  |  |  |  |  |  |  |
Granted (in shares) |  |  | 3,478 |  |  |  |  |  |  |
Vested (in shares) |  |  |  |  |  | (1,678) |  |  |  |
Forfeited (in shares) |  |  |  |  |  | (1,800) |  |  |  |
RSU and PRSU |  |  |  |  |  |  |  |  |  |
Share-based Compensation |  |  |  |  |  |  |  |  |  |
Stock closing price awarded (in dollars per share) |  |  | $ 34.51 |  |  |  |  |  |  |
Granted, Weighted-Average Grant Price |  |  | $ 34.51 |  |  |  |  |  |  |
RSU and PRSU | Former CEO |  |  |  |  |  |  |  |  |  |
Share-based Compensation |  |  |  |  |  |  |  |  |  |
Accelerated stock-based compensation expense |  |  |  |  |  |  | $ 500,000 |  | $ 500,000 |
RSU |  |  |  |  |  |  |  |  |  |
Share-based Compensation |  |  |  |  |  |  |  |  |  |
Stock closing price awarded (in dollars per share) |  |  |  |  |  |  | $ 34.46 |  | $ 34.46 |
Stock-based compensation expense |  |  |  |  |  |  | $ 400,000 | 300,000 | $ 1,300,000 | 300,000
Vesting period |  |  | 3 years |  |  |  |  |  |  |
Outstanding (in shares), Beginning Balance |  |  |  |  |  |  | 84,000 |  | 52,000 |
Granted (in shares) |  |  | 66,325 |  |  |  | 2,000 |  | 68,000 |
Vested (in shares) |  |  |  |  |  |  | (13,000) |  | (32,000) |
Forfeited (in shares) |  |  |  |  |  |  | (18,000) |  | (33,000) |
Outstanding (in shares), Ending Balance |  |  |  |  |  | 84,000 | 55,000 |  | 55,000 |
Outstanding, Weighted-Average Exercise Price, beginning balance |  |  |  |  |  |  | $ 36.65 |  | $ 39.17 |
Granted, Weighted-Average Grant Price |  |  |  |  |  |  | 34.46 |  | 34.46 |
Vested, Weighted-Average Grant Price |  |  |  |  |  |  | 36.37 |  | 39.25 |
Forfeited, Weighted-Average Grant Price |  |  |  |  |  |  | 36.18 |  | 35.79 |
Outstanding, Weighted-Average Exercise Price, ending balance |  |  |  |  |  | $ 36.65 | $ 35.36 |  | $ 35.36 |
Aggregate Intrinsic Value |  |  |  |  |  |  | $ 2,064,000 |  | $ 2,064,000 |
Unrecognized stock based compensation expenses |  |  |  |  |  |  | 1,500,000 |  | $ 1,500,000 |
Unrecognized compensation cost period |  |  |  |  |  |  |  |  | 2 years |
RSU | Former CEO |  |  |  |  |  |  |  |  |  |
Share-based Compensation |  |  |  |  |  |  |  |  |  |
Vested (in shares) | (7,421) |  |  |  |  |  |  |  |  |
Forfeited (in shares) | (8,574) |  |  |  |  |  |  |  |  |
RSU | Former Officers [Member] |  |  |  |  |  |  |  |  |  |
Share-based Compensation |  |  |  |  |  |  |  |  |  |
Accelerated stock-based compensation expense |  |  |  |  |  |  | 300,000 |  | $ 300,000 |
Vested (in shares) |  |  |  |  | (10,311) |  |  |  |  |
Forfeited (in shares) |  |  |  |  | (6,123) |  |  |  |  |
PRSU |  |  |  |  |  |  |  |  |  |
Share-based Compensation |  |  |  |  |  |  |  |  |  |
Stock closing price awarded (in dollars per share) |  |  |  |  |  |  |  |  | $ 34.51 |
Stock-based compensation expense |  |  |  |  |  |  | $ 400,000 | $ 100,000 | $ 400,000 | $ 100,000
Vesting period |  |  | 3 years |  |  |  |  |  |  |
Outstanding (in shares), Beginning Balance |  |  |  |  |  |  | 72,000 |  | 31,000 |
Granted (in shares) |  |  | 66,325 |  |  |  |  |  | 66,000 |
Vested (in shares) |  |  |  |  |  |  |  |  | (14,000) |
Forfeited (in shares) |  |  |  |  |  |  | (21,000) |  | (32,000) |
Adjusted for performance factor (in shares) |  |  |  |  |  |  | (40,000) |  | (40,000) |
Outstanding (in shares), Ending Balance |  |  |  |  |  | 72,000 | 11,000 |  | 11,000 |
Outstanding, Weighted-Average Exercise Price, beginning balance |  |  |  |  |  |  | $ 35.25 |  | $ 37.49 |
Granted, Weighted-Average Grant Price |  |  |  |  |  |  |  |  | 34.51 |
Vested, Weighted-Average Grant Price |  |  |  |  |  |  |  |  | 35.65 |
Forfeited, Weighted-Average Grant Price |  |  |  |  |  |  | 35.35 |  | 35.35 |
Adjusted for performance factor, Weighted-Average Grant Price |  |  |  |  |  |  | 35.40 |  | 35.40 |
Outstanding, Weighted-Average Exercise Price, ending balance |  |  |  |  |  | $ 35.25 | $ 34.51 |  | $ 34.51 |
Aggregate Intrinsic Value |  |  |  |  |  |  | $ 411,000 |  | $ 411,000 |
Unrecognized stock based compensation expenses |  |  |  |  |  |  | $ 300,000 |  | $ 300,000 |
Unrecognized compensation cost period |  |  |  |  |  |  |  |  | 2 years 3 months 18 days |
PRSU | Former CEO |  |  |  |  |  |  |  |  |  |
Share-based Compensation |  |  |  |  |  |  |  |  |  |
Vested (in shares) | (13,687) |  |  |  |  |  |  |  |  |
Forfeited (in shares) | (11,285) |  |  |  |  |  |  |  |  |
PRSU | Former Officers [Member] |  |  |  |  |  |  |  |  |  |
Share-based Compensation |  |  |  |  |  |  |  |  |  |
Forfeited (in shares) |  |  |  |  | (6,123) |  |  |  |  |

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