Note 6 - Warranty Costs - Warranty and General Liability Reserve (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023
Product Warranty Liability [Line Items]
Balance, beginning of period	$ 99,836	$ 91,067	$ 98,919	$ 97,719
Charges incurred during the period	(18,949)	(4,584)	(25,593)	(13,387)
Changes to pre-existing reserves	267	(27)	2,413	(756)
Balance, end of period	85,177	90,610	85,177	90,610
Selling, General and Administrative Expenses [Member]
Product Warranty Liability [Line Items]
Additions	2,041	2,217	4,588	3,794
Cost of Sales [Member]
Product Warranty Liability [Line Items]
Additions	$ 1,982	$ 1,937	$ 4,850	$ 3,240