Note 8 - Goodwill and Intangible Assets - Goodwill by Reportable Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Balance $ 224,700  
Balance 224,193  
Operating Segments [Member]    
Balance 224,700 $ 223,154
Foreign currency translation (507) 1,622
Balance 224,193 224,776
US Concrete Pumping [Member] | Operating Segments [Member]    
Balance 147,482 147,482
Balance 147,482 147,482
UK Operations [Member] | Operating Segments [Member]    
Balance 28,085 26,539
Foreign currency translation (507) 1,622
Balance 27,578 28,161
US Concrete Waste Management Services [Member] | Operating Segments [Member]    
Balance 49,133 49,133
Balance $ 49,133 $ 49,133