CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Jan. 01, 2022	Jan. 02, 2021
Cash flows from operating activities
Net income	$ 123,481	$ 132,292
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	9,217	7,982
Stock-based compensation expense	17,459	14,844
Other	1,139	(1,050)
Deferred income taxes	14	12
Foreign currency transaction (gain) loss	494	(1,633)
Changes in operating assets and liabilities:
Accounts receivable, net	(79,000)	(56,650)
Inventories	(21,800)	93,495
Other assets	4,086	(7,330)
Accounts payable and accrued expenses	185,127	33,271
Accrued compensation	(49,094)	(15,481)
Deferred revenue	(13,510)	5,633
Other liabilities	2,321	9,128
Net cash provided by operating activities	179,934	214,513
Cash flows from investing activities
Purchases of property and equipment, intangible and other assets	(6,355)	(11,333)
Cash paid for acquisitions, net of acquired cash	(27,101)	0
Net cash used in investing activities	(33,456)	(11,333)
Cash flows from financing activities
Payments for debt issuance costs	(929)	0
Payments for repurchase of common stock	(31,365)	0
Proceeds from exercise of common stock options	13,232	69,505
Payments for repurchase of common stock related to shares withheld for tax in connection with vesting of restricted stock units	(11,882)	(5,118)
Net cash provided by (used in) financing activities	(30,944)	64,387
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(1,218)	3,174
Net increase in cash, cash equivalents and restricted cash	114,316	270,741
Cash, cash equivalents and restricted cash
Beginning of period	640,101	407,291
End of period	754,417	678,032
Supplemental disclosure
Cash paid for interest	23	166
Cash paid for taxes, net of refunds	413	2,672
Cash paid for amounts included in the measurement of lease liabilities	3,410	8,102
Supplemental disclosure of non-cash investing and financing activities
Purchases of property and equipment in accounts payable and accrued expenses	5,499	7,814
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 2,246	$ 1,509