Unaudited Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2023	Jan. 31, 2022
Cash flow from operating activities:
Net income	$ 268,627	$ 313,341
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization and depreciation	57,294	61,685
Reduction of operating lease right-of-use assets	23,903	21,010
Amortization of capitalized costs to obtain revenue contracts	18,850	16,737
Stock-based compensation	134,227	95,771
Allowance for credit losses	3,700	5,278
Deferred income taxes	(65,495)	(11,952)
Other non-cash	4,535	4,832
Net changes in operating assets and liabilities, net of acquired assets and liabilities:
Accounts receivable	(237,360)	(466,684)
Inventories	(8,610)	9,155
Prepaid and other current assets	(355)	(303)
Other long-term assets	(54,196)	(11,969)
Accounts payable and accrued liabilities	(144,258)	(223,223)
Operating lease liabilities	(17,629)	(19,477)
Income taxes	50,416	6,555
Deferred revenue	81,102	354,988
Net cash provided by operating activities	114,751	155,744
Cash flows from investing activities:
Proceeds from sales and maturities of short-term investments	30,971	16,437
Purchases of short-term investments	(28,829)	(17,210)
Proceeds from sales of long-term investments	5,735	582
Purchases of long-term investments	0	(5,000)
Purchases of property and equipment	(43,500)	(41,751)
Acquisitions, net of cash acquired	0	(19,989)
Capitalization of software development costs	(624)	(494)
Other	0	(600)
Net cash used in investing activities	(36,247)	(68,025)
Cash flows from financing activities:
Repayment of debt	(1,294)	(75,938)
Issuances of common stock	22,338	30,835
Payments for taxes related to net share settlement of equity awards	(92,095)	(96,785)
Purchase of equity forward contract	(45,000)	(40,000)
Purchases of treasury stock	(260,724)	(210,000)
Other	0	(2,709)
Net cash used in financing activities	(376,775)	(394,597)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	35,675	(1,720)
Net change in cash, cash equivalents and restricted cash	(262,596)	(308,598)
Cash, cash equivalents and restricted cash, beginning of year	1,419,864	1,435,183
Cash, cash equivalents and restricted cash, end of period	$ 1,157,268	$ 1,126,585