Note 6 - Warranty Costs - Warranty and General Liability Reserve (Details) - USD ($) $ in Thousands	3 Months Ended
Jan. 31, 2019	Jan. 31, 2018
Balance, beginning of period	$ 95,064	$ 127,702
Charges incurred during the period	(6,091)	(6,302)
Changes to pre-existing reserves	251
Balance, end of period	93,410	129,314
Selling, General and Administrative Expenses [Member]
Additions	2,158	2,169
Cost of Sales [Member]
Additions	$ 2,028	$ 5,745

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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