Note 6 - Warranty Costs - Warranty and General Liability Reserve (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021
Balance, beginning of period	$ 91,464	$ 90,025	$ 94,916	$ 86,417
Charges incurred during the period	(3,047)	(3,513)	(12,984)	(10,249)
Changes to pre-existing reserves	(94)	789	(1,044)	2,675
Balance, end of period	94,308	95,406	94,308	95,406
Selling, General and Administrative Expenses [Member]
Additions	1,995	2,047	6,337	6,504
Cost of Sales [Member]
Additions	$ 3,990	$ 6,058	$ 7,083	$ 10,059