Note 8 - Goodwill and Intangible Assets - Goodwill by Reportable Segment (Details) - USD ($) $ in Thousands  | 
12 Months Ended | |
|---|---|---|
Oct. 31, 2023  | 
Oct. 31, 2022  | 
|
| Balance | $ 220,245 | |
| Balance | 221,517 | $ 220,245 | 
| Operating Segments [Member] | ||
| Balance | 220,245 | 224,700 | 
| Foreign currency translation | 1,272 | (4,455) | 
| Balance | 221,517 | 220,245 | 
| Operating Segments [Member] | US Concrete Pumping [Member] | ||
| Balance | 147,482 | 147,482 | 
| Balance | 147,482 | 147,482 | 
| Operating Segments [Member] | UK Operations [Member] | ||
| Balance | 23,630 | 28,085 | 
| Foreign currency translation | 1,272 | (4,455) | 
| Balance | 24,902 | 23,630 | 
| Operating Segments [Member] | US Concrete Waste Management Services [Member] | ||
| Balance | 49,133 | 49,133 | 
| Balance | $ 49,133 | $ 49,133 | 
| X | ||||||||||
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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