Balance Sheets Components - Components of Balance Sheet (Details) - USD ($) $ in Thousands		Oct. 31, 2022	Oct. 31, 2021
Accounts receivable, net:
Accounts receivable		$ 779,390	$ 563,592
Unbilled accounts receivable		46,254	35,589
Total accounts receivable		825,644	599,181
Less: allowance for credit losses		(29,553)	(30,680)
Total		796,091	568,501
Property and equipment, net:
Computer and other equipment		870,388	812,161
Buildings		135,722	134,931
Furniture and fixtures		80,885	73,624
Land		21,598	19,965
Leasehold improvements		241,062	236,064
Property and equipment gross		1,349,655	1,276,745
Less accumulated depreciation	[1]	(866,355)	(804,347)
Total		483,300	472,398
Other long-term assets:
Deferred compensation plan assets		279,096	343,820
Capitalized commission, net		96,509	92,249
Other long-term assets		88,090	74,629
Total		463,695	510,698
Accounts payable and accrued liabilities:
Payroll and related benefits		559,886	581,687
Other accrued liabilities		211,937	132,091
Accounts payable		37,580	27,413
Total		809,403	741,191
Other long-term liabilities:
Deferred compensation plan liabilities		279,096	343,820
Other long-term liabilities		48,733	47,613
Total		$ 327,829	$ 391,433

[1] Accumulated depreciation includes write-offs due to retirement of fully depreciated fixed assets.