| Note 13 - Commitments and Contingencies (Details Textual) - USD ($) $ in Millions | Jul. 31, 2022 | Oct. 31, 2021 | 
|---|---|---|
| Letters of Credit Outstanding, Amount | $ 3.0 | |
| Standby Letters of Credit [Member] | ||
| Line of Credit Facility, Maximum Borrowing Capacity | 10.5 | |
| Accrued Liabilities and Other Liabilities [Member] | ||
| Self-insurance, Accrued Expenses for Claims Incurred But Not Reported and Estimated Losses Reported | 5.7 | $ 4.5 | 
| Self-insurance, Accrued Expenses for Health Claims Incurred But Not Reoprted | $ 3.2 | $ 1.6 | 
| X | ||||||||||
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- Definition The amount of accrued expenses for claims incurred but not reported and estimated losses reported. No definition available. 
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| X | ||||||||||
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- Definition The amount of accrued expenses for health claims incurred but not reported. No definition available. 
 | 
| X | ||||||||||
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. No definition available. 
 | 
| X | ||||||||||
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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| X | ||||||||||
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- Details 
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| X | ||||||||||
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- Details 
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