Note 7 - Goodwill and Intangible Assets - Goodwill by Reportable Segment (Details) $ in Thousands  | 
9 Months Ended | 
|---|---|
| 
 Jul. 31, 2023  
USD ($) 
 | |
| Goodwill | $ 220,245 | 
| Goodwill | 222,998 | 
| Operating Segments [Member] | |
| Goodwill | 220,245 | 
| Foreign currency translation | 2,753 | 
| Goodwill | 222,998 | 
| US Concrete Pumping [Member] | Operating Segments [Member] | |
| Goodwill | 147,482 | 
| Foreign currency translation | 0 | 
| Goodwill | 147,482 | 
| UK Operations [Member] | Operating Segments [Member] | |
| Goodwill | 23,630 | 
| Foreign currency translation | 2,753 | 
| Goodwill | 26,383 | 
| US Concrete Waste Management Services [Member] | Operating Segments [Member] | |
| Goodwill | 49,133 | 
| Foreign currency translation | 0 | 
| Goodwill | $ 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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