Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Oct. 02, 2021	Sep. 26, 2020
Statement of Cash Flows [Abstract]
Cash and Cash Equivalents, at Carrying Value	$ 1,013,819	$ 1,306,564
Cash flows from operating activities:
Net income	519,376	416,906
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	106,962	107,019
Amortization of debt discount and fees	952	770
Stock-based compensation	155,860	138,723
(Gain) loss on investments, net	(330)	5,118
Deferred income taxes	(34,566)	(18,966)
Provisions for losses on receivables	234	1,087
ROU asset amortization and change in operating lease liabilities	(2,917)	2,064
Other non-cash items	146	410
Changes in operating assets and liabilities, net of effect of acquired businesses:
Receivables	15,132	9,945
Inventories	(25,608)	6,376
Prepaid expenses and other	36,632	22,769
Other assets	8,127	(21,287)
Accounts payable and accrued liabilities	10,501	(30,455)
Deferred revenue	84,183	124,491
Other long-term liabilities	10,417	4,430
Net cash provided by operating activities	885,101	769,400
Cash flows from investing activities:
Proceeds from the sale of non-marketable investments	128	0
Purchases of property, plant and equipment	(49,977)	(63,745)
Cash paid in business combinations, net of cash acquired	(220,026)	(197,562)
Net cash used for investing activities	(269,875)	(261,307)
Cash flows from financing activities:
Proceeds from revolving credit facility	0	350,000
Payment of debt issuance costs	(1,285)	0
Proceeds from issuance of common stock	83,632	71,451
Stock received for payment of employee taxes on vesting of restricted stock	(108,185)	(85,515)
Payments for repurchases of common stock	(502,301)	(250,047)
Net cash provided by (used for) financing activities	(528,139)	85,889
Effect of exchange rate changes on cash and cash equivalents	(1,700)	7,372
Increase in cash and cash equivalents	85,387	601,354
Supplemental cash flow information:
Cash paid for interest	8,117	10,982
Cash paid for taxes, net	$ 47,687	$ 44,679