XML 62 R45.htm IDEA: XBRL DOCUMENT v3.10.0.1
Significant Accounting Policies - Additional Information (Detail) - USD ($)
12 Months Ended
Oct. 31, 2018
Oct. 31, 2017
Oct. 31, 2016
Significant Accounting Policies [Line Items]      
Ownership percentage in affiliates and joint ventures 50.00%    
Advertising costs incurred $ 12,451,000 $ 11,296,000 $ 11,095,000
Research and development costs incurred $ 58,806,000 $ 52,462,000 $ 46,247,000
Percentage of research and development expenses on sales 2.60% 2.50% 2.60%
Periods of performance considered for calculating compensation expense 3 years    
Cost percentage of inventory under LIFO method 15.00% 16.00%  
Consolidated inventories under FIFO method $ 6,545,000 $ 6,684,000  
Interest charges capitalized $ 0 $ 0 $ 0
Product warranty period 1 year    
Maximum [Member]      
Significant Accounting Policies [Line Items]      
Liquid instruments with maturity period 90 days    
Stock Options [Member]      
Significant Accounting Policies [Line Items]      
Options for common shares excluded from computation of diluted earning per share 0 0 396,000