Note 6 - Goodwill and Intangible Assets - Goodwill by Reportable Segment (Details) $ in Thousands	6 Months Ended
Apr. 30, 2026 USD ($)
Balance	$ 223,581
Foreign currency translation	901
Balance	224,482
Operating Segments [Member] \| US Concrete Pumping [Member]
Balance	147,482
Foreign currency translation	0
Balance	147,482
Operating Segments [Member] \| UK Operations [Member]
Balance	26,966
Foreign currency translation	901
Balance	27,867
Operating Segments [Member] \| US Concrete Waste Management Services [Member]
Balance	49,133
Foreign currency translation	0
Balance	$ 49,133

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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+ Details