Quarterly report pursuant to Section 13 or 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
3 Months Ended 6 Months Ended
Apr. 30, 2022
Apr. 30, 2021
Apr. 30, 2022
Apr. 30, 2021
Amortization of Intangible Assets $ 5,700 $ 7,000 $ 11,471 $ 13,853
US Concrete Waste Management Services [Member]        
Goodwill, Impairment Loss     $ 0