CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Apr. 02, 2022	Apr. 03, 2021
Cash flows from operating activities
Net income	$ 132,047	$ 149,513
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	18,792	16,725
Stock-based compensation expense	38,684	31,207
Other	4,357	344
Deferred income taxes	(129)	(146)
Foreign currency transaction (gain) loss	2,267	(1,047)
Changes in operating assets and liabilities:
Accounts receivable, net	(12,786)	(13,260)
Inventories	(86,153)	39,631
Other assets	(6,082)	(21,982)
Accounts payable and accrued expenses	51,643	(36,485)
Accrued compensation	(45,084)	2,087
Deferred revenue	(11,834)	8,374
Other liabilities	(3,348)	992
Net cash provided by (used in) operating activities	82,374	175,953
Net cash provided by (used in) investing activities
Purchases of property and equipment, intangible and other assets	(15,665)	(19,927)
Cash paid for acquisitions, net of acquired cash	(27,101)	0
Net cash used in investing activities	(42,766)	(19,927)
Cash flows from financing activities
Payments for debt issuance costs	(929)	0
Payments of borrowings	0	(25,000)
Payments for repurchase of common stock	(74,482)	(682)
Proceeds from exercise of common stock options	29,254	119,166
Payments for repurchase of common stock related to shares withheld for tax in connection with vesting of RSUs	(22,601)	(18,821)
Net cash provided by (used in) financing activities	(68,758)	74,663
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(4,207)	1,139
Net increase (decrease) in cash, cash equivalents and restricted cash	(33,357)	231,828
Cash, cash equivalents and restricted cash
Beginning of period	640,101	407,291
End of period	606,744	639,119
Supplemental disclosure
Cash paid for interest	85	357
Cash paid for taxes, net of refunds	8,916	3,255
Cash paid for amounts included in the measurement of lease liabilities	7,800	11,683
Supplemental disclosure of non-cash investing and financing activities
Purchases of property and equipment in accounts payable and accrued expenses	7,869	8,910
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 2,245	$ 1,622