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Consolidated Statements Of Cash Flows - USD ($)
$ in Thousands
12 Months Ended
Oct. 31, 2023
Oct. 31, 2022
Oct. 31, 2021
Cash flows from operating activities:      
Net income $ 1,218,125 $ 978,436 $ 756,359
Adjustments to reconcile net income to net cash provided by operating activities:      
Amortization and depreciation 247,120 228,405 203,676
Reduction of operating lease right-of-use assets 97,705 89,541 86,645
Amortization of capitalized costs to obtain revenue contracts 82,190 73,026 64,698
Stock-based compensation 563,292 459,029 345,272
Allowance for credit losses 19,932 (3,477) 18,515
Deferred income taxes (211,045) (36,913) (128,583)
Other non-cash 13,295 10,188 15,859
Net changes in operating assets and liabilities, net of acquired assets and assumed liabilities:      
Accounts receivable (178,432) (251,390) 201,706
Inventories (123,752) 1,320 (48,046)
Prepaid and other current assets (106,396) (89,983) (102,174)
Other long-term assets (100,618) (15,283) (153,037)
Accounts payable and accrued liabilities 170,496 (34,066) 125,133
Operating lease liabilities (73,281) (85,828) (82,581)
Income taxes 198,078 1,644 28,855
Deferred revenue (113,435) 414,251 160,325
Net cash provided by operating activities 1,703,274 1,738,900 1,492,622
Cash flows from investing activities:      
Proceeds from sales and maturities of short-term investments 130,435 93,696 12,850
Purchases of short-term investments (131,079) (97,245) (161,732)
Proceeds from sales of long-term investments 8,492 582 0
Purchases of long-term investments (435) (7,000) (7,591)
Purchases of property and equipment (189,618) (136,589) (93,764)
Acquisitions, net of cash acquired (297,692) (422,374) (296,017)
Capitalization of software development costs (2,204) (2,493) (1,976)
Other 0 (1,200) (800)
Net cash used in investing activities (482,101) (572,623) (549,030)
Cash flows from financing activities:      
Repayment of debt (2,603) (76,838) (28,061)
Issuances of common stock 252,986 237,956 210,719
Payments for taxes related to net share settlement of equity awards (241,408) (174,005) (138,950)
Purchase of equity forward contract (45,000) 0 (35,000)
Purchases of treasury stock (1,160,724) (1,100,000) (753,081)
Other (122) (3,413) (4,375)
Net cash used in financing activities (1,196,871) (1,116,300) (748,748)
Effect of exchange rate changes on cash, cash equivalents and restricted cash (2,979) (65,296) 2,369
Net change in cash, cash equivalents and restricted cash 21,323 (15,319) 197,213
Cash, cash equivalents and restricted cash, beginning of year 1,419,864 1,435,183 1,237,970
Cash, cash equivalents and restricted cash, end of year 1,441,187 1,419,864 1,435,183
Supplemental disclosure of cash flow information:      
Cash paid for income taxes during the year: 97,956 167,768 149,762
Interest payments during the year: 996 1,258 3,365
Non-cash activities:      
Purchase of property and equipment included in accounts payable 21,672 17,857 8,654
Conversion of notes receivable to non-marketable equity securities $ 2,000 $ 14,280 $ 0