Marketable Securities and Investments (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 02, 2022	Jan. 03, 2021	Dec. 29, 2019
Debt Securities, Available-for-sale [Line Items]
Marketable Securities, Noncurrent	$ 53,073	$ 2,154
Unrealized gains (losses) on securities, net of tax	237	(16)	$ 6
Marketable Securities and Investments	84,587	50,780
Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount		100	$ 4,900
Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Cumulative Amount	5,000	4,900
Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Cumulative Amount	27,800	8,200
Equity Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Marketable Securities Classified as Available for Sale	51,418	203
Marketable Securities Classified as Available for Sale, Amortized Cost Basis	51,418	584
Marketable Securities Classified as Available for Sale, Gross Unrealized Gain, before Tax	0	0
Marketable Securities Classified as Available for Sale, Gross Unrealized Loss, before Tax	0	381
Fixed Income Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Marketable Securities Classified as Available for Sale	7	7
Marketable Securities Classified as Available for Sale, Amortized Cost Basis	7	7
Marketable Securities Classified as Available for Sale, Gross Unrealized Gain, before Tax	0	0
Marketable Securities Classified as Available for Sale, Gross Unrealized Loss, before Tax	0	0
Available-for-sale Securities, Other [Member]
Debt Securities, Available-for-sale [Line Items]
Marketable Securities Classified as Available for Sale	1,648	1,944
Marketable Securities Classified as Available for Sale, Amortized Cost Basis	1,711	2,007
Marketable Securities Classified as Available for Sale, Gross Unrealized Gain, before Tax	0	0
Marketable Securities Classified as Available for Sale, Gross Unrealized Loss, before Tax	63	63
Available-for-sale Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Marketable Securities Classified as Available for Sale	53,073	2,154
Marketable Securities Classified as Available for Sale, Amortized Cost Basis	53,136	2,598
Marketable Securities Classified as Available for Sale, Gross Unrealized Gain, before Tax	0	0
Marketable Securities Classified as Available for Sale, Gross Unrealized Loss, before Tax	$ 63	$ 444

Marketable Securities Classified as Available for Sale

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Marketable Securities Classified as Available for Sale, Amortized Cost Basis

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Marketable Securities Classified as Available for Sale, Gross Unrealized Gain, before Tax

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Marketable Securities Classified as Available for Sale, Gross Unrealized Loss, before Tax

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Marketable Securities and Investments

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Amount of loss from downward price adjustment on investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 321
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123583765&loc=SL75117539-209714

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Amount of cumulative gain from upward price adjustment on investment in equity security without readily determinable fair value.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount of investment in marketable security, classified as noncurrent.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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