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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 9 Months Ended
Jul. 31, 2021
Aug. 01, 2020
Cash flows provided by operating activities:    
Net income $ 396,697 $ 296,250
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation of equipment, building, furniture and fixtures, and amortization of leasehold improvements 71,918 70,370
Share-based compensation costs 62,970 50,838
Amortization of intangible assets 27,341 29,035
Deferred taxes (139,543) 57,636
Provision for inventory excess and obsolescence 13,460 20,176
Provision for warranty 12,726 19,172
Other 6,350 15,085
Changes in assets and liabilities:    
Accounts receivable (163,149) (6,688)
Inventories (38,821) (39,568)
Prepaid expenses and other (17,272) (52,945)
Operating lease right-of-use assets 12,340 12,816
Accounts payable, accruals and other obligations 31,388 (131,647)
Deferred revenue 24,969 (19,039)
Short- and long-term operating lease liabilities (14,618) (15,132)
Net cash provided by operating activities 286,756 306,359
Cash flows used in investing activities:    
Payments for equipment, furniture, fixtures and intellectual property (67,290) (61,333)
Purchase of available-for-sale securities (132,895) (39,859)
Proceeds from maturities of available-for-sale securities 122,063 90,000
Settlement of foreign currency forward contracts, net 7,326 3,067
Acquisition of business, net of cash acquired 0 (28,300)
Proceeds from sale of equity investment 4,678 0
Net cash used in investing activities (66,118) (36,425)
Cash flows used in financing activities:    
Payment of long-term debt (5,197) (3,465)
Payment of debt issuance costs 0 (382)
Payment of finance lease obligations (2,243) (2,030)
Shares repurchased for tax withholdings on vesting of stock unit awards (36,484) (26,328)
Repurchases of common stock - repurchase program (64,555) (74,535)
Proceeds from issuance of common stock 28,289 27,986
Net cash used in financing activities (80,190) (78,754)
Effect of exchange rate changes on cash, cash equivalents and restricted cash 1,344 (1,526)
Net increase in cash, cash equivalents and restricted cash 141,792 189,654
Cash, cash equivalents and restricted cash at beginning of period 1,088,708 904,161
Cash, cash equivalents and restricted cash at end of period 1,230,500 1,093,815
Supplemental disclosure of cash flow information    
Cash paid during the period for interest 22,392 25,278
Cash paid during the period for income taxes, net 46,165 41,316
Operating lease payments 16,162 16,762
Non-cash investing and financing activities    
Purchase of equipment in accounts payable 5,517 4,200
Repurchase of common stock in accrued liabilities from repurchase program 800 0
Operating lease right-of-use assets subject to lease liability $ 4,182 $ 11,404