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Note 6 - Warranty Costs (Tables)
6 Months Ended
Apr. 30, 2019
Notes Tables  
Schedule of Product Warranty Liability [Table Text Block]
   
Three Months Ended
April 30,
   
Six Months Ended
April 30,
 
(In thousands)
 
2019
   
2018
   
2019
   
2018
 
                         
Balance, beginning of period
 
$93,410
   
$129,314
   
$95,064
   
$127,702
 
Additions – Selling, general and administrative
 
1,959
   
2,169
   
4,117
   
4,338
 
Additions – Cost of sales
 
1,308
   
4,154
   
3,336
   
9,899
 
Charges incurred during the period
 
(4,020
)
 
(19,862
)
 
(10,111
)
 
(26,164
)
Changes to pre-existing reserves
 
192
   
-
   
443
   
-
 
Balance, end of period
 
$92,849
   
$115,775
   
$92,849
   
$115,775