Segment Disclosure - Revenues Related to Operations by Geographic Areas (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2021	Apr. 30, 2020	Apr. 30, 2021	Apr. 30, 2020
Schedule of Revenues from External Customers [Line Items]
Total revenue	$ 1,024,323	$ 861,327	$ 1,994,644	$ 1,695,708
United States
Schedule of Revenues from External Customers [Line Items]
Total revenue	471,716	404,389	940,418	812,878
Europe
Schedule of Revenues from External Customers [Line Items]
Total revenue	106,160	89,284	211,335	183,655
China
Schedule of Revenues from External Customers [Line Items]
Total revenue	125,519	81,113	241,287	148,433
Korea
Schedule of Revenues from External Customers [Line Items]
Total revenue	105,388	105,315	203,642	194,830
Asia-Pacific and Other
Schedule of Revenues from External Customers [Line Items]
Total revenue	$ 215,540	$ 181,226	$ 397,962	$ 355,912