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Income Taxes - Domestic and Foreign Components of Total Income Before Provision for Income Tax (Detail) - USD ($)
$ in Thousands
12 Months Ended
Oct. 31, 2019
Oct. 31, 2018
Oct. 31, 2017
Income Tax Disclosure [Abstract]      
United States $ 487,430 $ (18,029) $ (2,702)
Foreign 58,076 381,572 385,800
Income before income taxes $ 545,506 $ 363,543 $ 383,098