Financial Instruments - Cash Equivalents and Available-for-sale Securities (Details) - USD ($) $ in Thousands	Jul. 03, 2021	Apr. 03, 2021
Available-for-sale securities
Amortized Cost	$ 3,190,146	$ 2,904,425
Gross Unrealized Gains	1,564	1,632
Gross Unrealized Losses	(839)	(351)
Estimated Fair Value	3,190,871	2,905,706
Money market funds
Available-for-sale securities
Amortized Cost	745,459	583,390
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	745,459	583,390
Financial institution securities
Available-for-sale securities
Amortized Cost	529,987	434,982
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	529,987	434,982
Non-financial institution securities
Available-for-sale securities
Amortized Cost	428,676	533,835
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	428,676	533,835
U.S. government and agency securities
Available-for-sale securities
Amortized Cost	687,418	568,122
Gross Unrealized Gains	5	45
Gross Unrealized Losses	(26)	0
Estimated Fair Value	687,397	568,167
Foreign government and agency securities
Available-for-sale securities
Amortized Cost	589,906	662,855
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	589,906	662,855
Mortgage-backed securities
Available-for-sale securities
Amortized Cost	166,869	108,460
Gross Unrealized Gains	1,475	1,488
Gross Unrealized Losses	(614)	(345)
Estimated Fair Value	167,730	109,603
Asset-backed securities
Available-for-sale securities
Amortized Cost	145	159
Gross Unrealized Gains	13	13
Gross Unrealized Losses	0	0
Estimated Fair Value	158	172
Commercial mortgage-backed securities
Available-for-sale securities
Amortized Cost	41,686	12,622
Gross Unrealized Gains	71	86
Gross Unrealized Losses	(199)	(6)
Estimated Fair Value	$ 41,558	$ 12,702

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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- References

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- Definition

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

+ References

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+ References

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