Unaudited Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Jul. 31, 2023	Jul. 31, 2022
Cash flow from operating activities:
Net income	$ 871,630	$ 826,879
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization and depreciation	180,033	169,708
Reduction of operating lease right-of-use assets	72,647	65,980
Amortization of capitalized costs to obtain revenue contracts	61,677	54,438
Stock-based compensation	421,949	333,437
Allowance for credit losses	11,937	(4,516)
Deferred income taxes	(166,061)	5,843
Other non-cash	8,649	10,356
Net changes in operating assets and liabilities, net of acquired assets and liabilities:
Accounts receivable	112,511	(121,786)
Inventories	(77,919)	118
Prepaid and other current assets	8,373	(56,075)
Other long-term assets	(116,487)	(20,058)
Accounts payable and accrued liabilities	48,574	(46,356)
Operating lease liabilities	(52,914)	(66,187)
Income taxes	123,924	(60,739)
Deferred revenue	(131,310)	254,353
Net cash provided by operating activities	1,377,213	1,345,395
Cash flows from investing activities:
Proceeds from sales and maturities of short-term investments	104,139	70,847
Purchases of short-term investments	(102,457)	(73,330)
Proceeds from sales of long-term investments	7,248	582
Purchases of long-term investments	(435)	(7,000)
Purchases of property and equipment	(136,520)	(102,934)
Acquisitions, net of cash acquired	(51,324)	(416,323)
Capitalization of software development costs	(2,204)	(1,970)
Other	0	(1,200)
Net cash used in investing activities	(181,553)	(531,328)
Cash flows from financing activities:
Repayment of debt	(2,603)	(76,838)
Issuances of common stock	164,841	161,416
Payments for taxes related to net share settlement of equity awards	(198,969)	(149,130)
Purchase of equity forward contract	(45,000)	(40,000)
Purchases of treasury stock	(860,724)	(717,266)
Other	(122)	(3,413)
Net cash used in financing activities	(942,577)	(825,231)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	14,997	(38,155)
Net change in cash, cash equivalents and restricted cash	268,080	(49,319)
Cash, cash equivalents and restricted cash, beginning of year	1,419,864	1,435,183
Cash, cash equivalents and restricted cash, end of period	$ 1,687,944	$ 1,385,864