CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Apr. 30, 2022	May 01, 2021
Cash flows provided by operating activities:
Net income	$ 84,745	$ 158,465
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of equipment, building, furniture and fixtures, and amortization of leasehold improvements	46,030	47,295
Share-based compensation costs	50,970	40,499
Amortization of intangible assets	24,463	18,517
Deferred taxes	(13,474)	(9,606)
Provision for inventory excess and obsolescence	8,487	10,402
Provision for warranty	7,228	7,937
Other	(5,833)	5,928
Changes in assets and liabilities:
Accounts receivable	104,455	(180)
Inventories	(171,056)	(66,934)
Prepaid expenses and other	(36,673)	(8,565)
Operating lease right-of-use assets	8,222	8,253
Accounts payable, accruals and other obligations	(88,960)	(30,108)
Deferred revenue	43,753	45,482
Short- and long-term operating lease liabilities	(10,216)	(9,726)
Net cash provided by operating activities	52,141	217,659
Cash flows used in investing activities:
Payments for equipment, furniture, fixtures and intellectual property	(45,249)	(51,651)
Purchase of available-for-sale securities	(461,548)	(102,429)
Proceeds from maturities of available-for-sale securities	90,000	91,810
Settlement of foreign currency forward contracts, net	3,708	9,414
Purchase of cost method equity investments	(8,000)	0
Proceeds from sale of cost method equity investments	0	4,678
Acquisition of business, net of cash acquired	(62,043)	0
Net cash used in investing activities	(483,132)	(48,178)
Cash flows provided by (used in) financing activities:
Proceeds from issuance of senior notes	400,000	0
Payment of long-term debt	(3,465)	(3,465)
Payment of debt issuance costs	(5,145)	0
Payment of finance lease obligations	(1,635)	(1,463)
Shares repurchased for tax withholdings on vesting of stock unit awards	(35,004)	(27,893)
Repurchases of common stock - repurchase program	(332,794)	(38,498)
Proceeds from issuance of common stock	15,185	13,480
Net cash provided by (used in) financing activities	37,142	(57,839)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(8,807)	2,696
Net increase (decrease) in cash, cash equivalents and restricted cash	(402,656)	114,338
Cash, cash equivalents and restricted cash at beginning of period	1,422,604	1,088,708
Cash, cash equivalents and restricted cash at end of period	1,019,948	1,203,046
Supplemental disclosure of cash flow information
Cash paid during the period for interest	16,809	14,949
Cash paid during the period for income taxes, net	17,905	27,666
Operating lease payments	10,917	10,785
Non-cash investing and financing activities
Purchase of equipment in accounts payable	8,093	4,966
Repurchase of common stock in accrued liabilities from repurchase program	5,000	900
Operating right-of-use assets subject to lease liability	$ 3,589	$ 1,770