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Cash and Investments - Investments by Security Type (Details) - USD ($) $ in Thousands	Dec. 30, 2022	Dec. 31, 2021
Debt securities available-for-sale:
Amortized Cost	$ 1,887,060	$ 1,534,464
Gross Unrealized Gains	589	934
Gross Unrealized Losses	(19,034)	(1,730)
Fair Value	1,868,615	1,533,668
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Amortized Cost	2,085,126	1,855,704
Gross Unrealized Gains	589	934
Gross Unrealized Losses	(19,034)	(1,730)
Fair Value	2,066,681	1,854,908
Commercial paper
Debt securities available-for-sale:
Amortized Cost	722,018	945,801
Gross Unrealized Gains	0	42
Gross Unrealized Losses	0	(2)
Fair Value	722,018	945,841
Corporate bonds
Debt securities available-for-sale:
Amortized Cost	810,439	541,774
Gross Unrealized Gains	541	876
Gross Unrealized Losses	(13,132)	(1,672)
Fair Value	797,848	540,978
U.S. Treasury and government-sponsored enterprises
Debt securities available-for-sale:
Amortized Cost	338,218	33,965
Gross Unrealized Gains	48	1
Gross Unrealized Losses	(5,679)	(21)
Fair Value	332,587	33,945
Municipal bonds
Debt securities available-for-sale:
Amortized Cost	16,385	12,924
Gross Unrealized Gains	0	15
Gross Unrealized Losses	(223)	(35)
Fair Value	16,162	12,904
Cash
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Amortized Cost	41	135,653
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	41	135,653
Money market funds
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Amortized Cost	94,344	66,531
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	94,344	66,531
Certificates of deposit
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Amortized Cost	103,681	119,056
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	$ 103,681	$ 119,056

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