Unaudited Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Apr. 30, 2023	Apr. 30, 2022
Cash flow from operating activities:
Net income	$ 538,575	$ 607,233
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization and depreciation	116,922	111,962
Reduction of operating lease right-of-use assets	48,073	42,412
Amortization of capitalized costs to obtain revenue contracts	39,588	34,574
Stock-based compensation	277,485	205,832
Allowance for credit losses	6,134	(4,516)
Deferred income taxes	(125,090)	8,944
Other non-cash	4,972	7,479
Net changes in operating assets and liabilities, net of acquired assets and liabilities:
Accounts receivable	9,289	(169,785)
Inventories	(48,648)	7,725
Prepaid and other current assets	49,437	(2,417)
Other long-term assets	(75,324)	(8,701)
Accounts payable and accrued liabilities	(162,840)	(181,008)
Operating lease liabilities	(31,634)	(43,963)
Income taxes	94,587	(34,246)
Deferred revenue	76,165	324,176
Net cash provided by operating activities	817,691	905,701
Cash flows from investing activities:
Proceeds from sales and maturities of short-term investments	67,717	43,653
Purchases of short-term investments	(68,738)	(45,158)
Proceeds from sales of long-term investments	7,248	582
Purchases of long-term investments	0	(7,000)
Purchases of property and equipment	(91,368)	(67,367)
Acquisitions, net of cash acquired	(41,324)	(109,060)
Capitalization of software development costs	(1,247)	(1,065)
Other	0	(600)
Net cash used in investing activities	(127,712)	(186,015)
Cash flows from financing activities:
Repayment of debt	(1,294)	(75,938)
Issuances of common stock	132,808	120,710
Payments for taxes related to net share settlement of equity awards	(116,838)	(101,126)
Purchase of equity forward contract	(45,000)	0
Purchases of treasury stock	(560,724)	(500,000)
Other	(122)	(2,709)
Net cash used in financing activities	(591,170)	(559,063)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	27,708	(19,955)
Net change in cash, cash equivalents and restricted cash	126,517	140,668
Cash, cash equivalents and restricted cash, beginning of year	1,419,864	1,435,183
Cash, cash equivalents and restricted cash, end of period	$ 1,546,381	$ 1,575,851