Other Income (Expense), net - Components of Other Income (Expense), Net (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2019	Apr. 30, 2018	Apr. 30, 2019	Apr. 30, 2018
Other Income (Expense)
Interest income	$ 1,927	$ 927	$ 3,491	$ 2,563
Interest expense	(3,841)	(3,880)	(8,394)	(6,723)
Gain (loss) on assets related to executive deferred compensation plan assets	16,226	(7,245)	20,515	6,195
Foreign currency exchange gain (loss)	2,718	1,117	2,302	98
Other, net	1,385	1,366	142	2,537
Total	$ 18,415	$ (7,715)	$ 18,056	$ 4,670