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Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Jan. 31, 2019
Oct. 31, 2020
Oct. 31, 2019
Oct. 31, 2018
Oct. 31, 2017
Income Tax [Line Items]          
Earnings before income taxes of domestic operations   $ 120,054 $ 222,435 $ 192,643  
U.S. federal corporate income tax rate   21.00% 21.00% 23.34%  
Provisional tax expense (benefit) due to revaluation of tax assets and liabilities at reduced corporate tax rate $ 4,866 $ 15,661 $ 4,866    
Income Tax Expense (Benefit) on impairment charge   15,254      
Earnings before income taxes of international operations   181,435 208,669 $ 255,877  
Undistributed earnings aggregated   1,045,389 1,101,736    
Total unrecognized tax benefits   6,717 2,909 $ 2,891 $ 3,781
Total unrecognized tax benefits impact the effective tax rate   5,998 2,429    
Accrued interest expense related to unrecognized tax benefits   2,179 593    
Tax credit carryforwards   8,565      
Tax credit carryforwards amount indefinite carryforward period   7,644      
Capital loss carryforward   24,227      
Indefinite carryforward period   18,567      
Net change in the valuation allowance   6,932 $ 439    
Valuation allowance relates to tax credits and loss carryforwards   22,233      
2028-2029          
Income Tax [Line Items]          
Tax credit carryforwards amount to expires   921      
2020 through 2039          
Income Tax [Line Items]          
Operating loss carryforwards   88,613      
State          
Income Tax [Line Items]          
Operating loss carryforwards   58,559      
Foreign          
Income Tax [Line Items]          
Operating loss carryforwards   $ 24,394