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Cash, Cash Equivalents, and Investments - Summary of Available-for-Sale Investments (Details) $ in Thousands | Sep. 27, 2020 USD ($)
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Debt Securities, Available-for-sale [Line Items] |
Amortized cost | $ 708,599
Gross unrealized gains | 6,261
Gross unrealized losses | (152)
Fair value | 714,708
Agency Bonds |
Debt Securities, Available-for-sale [Line Items] |
Fair value | 28,274
Agency Bonds | Long-Term Investments |
Debt Securities, Available-for-sale [Line Items] |
Amortized cost | 28,193
Gross unrealized gains | 81
Gross unrealized losses | 0
Fair value | 28,274
Treasury Bills |
Debt Securities, Available-for-sale [Line Items] |
Fair value | 270,091
Treasury Bills | Long-Term Investments |
Debt Securities, Available-for-sale [Line Items] |
Amortized cost | 268,071
Gross unrealized gains | 2,030
Gross unrealized losses | (10)
Fair value | 270,091
Corporate Bonds |
Debt Securities, Available-for-sale [Line Items] |
Fair value | 259,887
Corporate Bonds | Short-Term Investments |
Debt Securities, Available-for-sale [Line Items] |
Amortized cost | 43,208
Gross unrealized gains | 254
Gross unrealized losses | (26)
Fair value | 43,436
Corporate Bonds | Long-Term Investments |
Debt Securities, Available-for-sale [Line Items] |
Amortized cost | 213,850
Gross unrealized gains | 2,717
Gross unrealized losses | (116)
Fair value | 216,451
Asset-Backed Securities |
Debt Securities, Available-for-sale [Line Items] |
Fair value | 129,543
Asset-Backed Securities | Short-Term Investments |
Debt Securities, Available-for-sale [Line Items] |
Amortized cost | 34,277
Gross unrealized gains | 259
Gross unrealized losses | 0
Fair value | 34,536
Asset-Backed Securities | Long-Term Investments |
Debt Securities, Available-for-sale [Line Items] |
Amortized cost | 94,270
Gross unrealized gains | 737
Gross unrealized losses | 0
Fair value | 95,007
Sovereign Bonds |
Debt Securities, Available-for-sale [Line Items] |
Fair value | 24,496
Sovereign Bonds | Short-Term Investments |
Debt Securities, Available-for-sale [Line Items] |
Amortized cost | 15,978
Gross unrealized gains | 108
Gross unrealized losses | 0
Fair value | 16,086
Sovereign Bonds | Long-Term Investments |
Debt Securities, Available-for-sale [Line Items] |
Amortized cost | 8,349
Gross unrealized gains | 61
Gross unrealized losses | 0
Fair value | 8,410
Municipal Bonds |
Debt Securities, Available-for-sale [Line Items] |
Fair value | 2,417
Municipal Bonds | Short-Term Investments |
Debt Securities, Available-for-sale [Line Items] |
Amortized cost | 1,298
Gross unrealized gains | 9
Gross unrealized losses | 0
Fair value | 1,307
Municipal Bonds | Long-Term Investments |
Debt Securities, Available-for-sale [Line Items] |
Amortized cost | 1,105
Gross unrealized gains | 5
Gross unrealized losses | 0
Fair value | $ 1,110

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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (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 + Details
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