Note 19 - Segment Reporting - Operating Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2022	Oct. 31, 2021
Revenue	$ 401,292	$ 315,808
Income (loss) before income taxes	34,202	(12,431)
EBITDA	117,555	68,665
Net income (loss)	28,676	(15,073)
Interest expense, net	25,891	25,190
Income tax expense	5,526	2,642
Depreciation and amortization	57,462	55,906
Interest expense, net	(25,891)	(25,190)
Transaction costs	318	15,822
Operating Segments [Member] | US Concrete Pumping [Member]
Revenue	296,506	229,475
Income (loss) before income taxes	9,006	(11,915)
EBITDA	72,278	47,497
Interest expense, net	22,968	22,031
Depreciation and amortization	40,304	37,381
Interest expense, net	(22,968)	(22,031)
Operating Segments [Member] | UK Concrete Pumping [Member]
Revenue	54,926	48,098
Income (loss) before income taxes	1,950	731
Interest expense, net	2,923	3,159
Depreciation and amortization	7,709	8,238
Interest expense, net	(2,923)	(3,159)
Transaction costs	318	15,822
Operating Segments [Member] | UK Operations [Member]
EBITDA	12,582	12,128
Operating Segments [Member] | US Concrete Waste Management Services [Member]
Revenue	50,191	38,591
Income (loss) before income taxes	11,701	6,986
EBITDA	20,302	16,433
Depreciation and amortization	8,601	9,447
Corporate, Non-Segment [Member]
Revenue	2,500	2,500
Income (loss) before income taxes	11,545	(8,233)
EBITDA	12,393	(7,393)
Depreciation and amortization	848	840
Intersegment Eliminations [Member]
Revenue	$ (2,831)	$ (2,856)