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Stock-Based Benefit Plans ESPP (ESPP) (Details 9) - Employee Stock [Member] - shares | 12 Months Ended
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Oct. 31, 2021 | Oct. 31, 2020 | Oct. 31, 2019
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items] |  |  |
Discounted market price of common stock on specified offering dates without restriction under employee stock purchase plan | 95.00% |  |
Discounted market price of common stock on specified offering dates subject to restrictions under employee stock purchase plan | 85.00% |  |
Shares reserved for employee stock purchase plan | 500,000 |  |
Capital shares reserved for future issuance (in shares) | 321,000 |  |
Stock Issued During Period, Shares, Employee Stock Purchase Plans | 31,257 | 54,235 | 41,744

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- Definition Discounted market price of common stock on specified offering dates without restriction under employee stock purchase plan. + References No definition available. + Details
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