Other Income (Expense), Net - Components of Other Income (Expense), Net (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2020	Jul. 31, 2019
Other Income (Expense)
Interest income	$ 780	$ 1,789	$ 3,137	$ 5,280
Interest expense	(941)	(2,214)	(4,390)	(10,608)
Gain (loss) on assets related to deferred compensation plan	26,153	4,686	20,166	25,201
Foreign currency exchange gain (loss)	123	696	5,255	2,999
Other, net	141	360	(1,584)	501
Total	$ 26,256	$ 5,317	$ 22,584	$ 23,373