Annual report pursuant to Section 13 and 15(d)

Note 8 - Goodwill and Intangible Assets (Details Textual)

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Note 8 - Goodwill and Intangible Assets (Details Textual) - USD ($)
$ in Thousands
 1 Months Ended 11 Months Ended 12 Months Ended
Dec. 05, 2018
Oct. 31, 2019
Oct. 31, 2020
Goodwill, Impairment Loss     $ 52,944
Amortization of Intangible Assets, Total $ 700 $ 32,366 $ 33,392
US Concrete Pumping [Member]      
Reporting Unit, Percentage of Carrying Amount In Excess of Fair Value     6.90%
Goodwill, Impairment Loss     $ 38,500
UK Operations [Member]      
Reporting Unit, Percentage of Carrying Amount In Excess of Fair Value     14.80%
Goodwill, Impairment Loss     $ 14,400
US Concrete Waste Management Services [Member]      
Reporting Unit, Percentage of Carrying Amount In Excess of Fair Value     4.50%
Goodwill, Impairment Loss     $ 0
Brundage-Bone Concrete Pumping, Trade Name [Member]      
Indefinite-lived Intangible Assets, Carrying Value in Excess of Fair Value, Percent     11.80%
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)     $ 5,000
Indefinite-Lived Trade Names     $ 37,300
Eco-Pan, Trade Name [Member]      
Indefinite-lived Intangible Assets, Carrying Value in Excess of Fair Value, Percent     7.80%
Indefinite-Lived Trade Names     $ 7,700
Capital Pumping, Trade Name [Member]      
Indefinite-lived Intangible Assets, Carrying Value in Excess of Fair Value, Percent     109.10%
Indefinite-Lived Trade Names     $ 5,500