Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Goodwill and Intangible Assets (Details Textual)

v3.21.1
Note 7 - Goodwill and Intangible Assets (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Apr. 30, 2021
Apr. 30, 2020
Apr. 30, 2021
Apr. 30, 2020
Amortization of Intangible Assets, Total $ 7,000 $ 8,600 $ 13,853 $ 17,147
US Concrete Pumping [Member]        
Reporting Unit, Percentage of Carrying Amount In Excess of Fair Value   6.90%   6.90%
Goodwill, Impairment Loss   $ 38,500   $ 43,500
UK Operations [Member]        
Reporting Unit, Percentage of Carrying Amount In Excess of Fair Value   14.80%   14.80%
Goodwill, Impairment Loss   $ 14,400   $ 14,400
Brundage-Bone Concrete Pumping, Trade Name [Member]        
Indefinite-lived Intangible Assets, Carrying Value in Excess of Fair Value, Percent   11.80%   11.80%
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)   $ 5,000