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Cash, Cash Equivalents, and Investments - Effective Maturity Dates of Available-for-Sale Investments (Details) $ in Thousands | Sep. 27, 2020 USD ($)
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Debt Securities, Available-for-sale [Line Items] |
1 year or less | $ 95,365
1-2 years | 311,825
2-3 years | 296,554
3-4 years | 6,979
4-5 years | 3,985
Fair value | 714,708
Corporate Bonds |
Debt Securities, Available-for-sale [Line Items] |
1 year or less | 43,436
1-2 years | 86,619
2-3 years | 126,966
3-4 years | 2,866
4-5 years | 0
Fair value | 259,887
Treasury Bills |
Debt Securities, Available-for-sale [Line Items] |
1 year or less | 0
1-2 years | 167,677
2-3 years | 98,353
3-4 years | 4,061
4-5 years | 0
Fair value | 270,091
Asset-Backed Securities |
Debt Securities, Available-for-sale [Line Items] |
1 year or less | 34,536
1-2 years | 45,513
2-3 years | 45,457
3-4 years | 52
4-5 years | 3,985
Fair value | 129,543
Sovereign Bonds |
Debt Securities, Available-for-sale [Line Items] |
1 year or less | 16,086
1-2 years | 4,973
2-3 years | 3,437
3-4 years | 0
4-5 years | 0
Fair value | 24,496
Agency Bonds |
Debt Securities, Available-for-sale [Line Items] |
1 year or less | 0
1-2 years | 5,933
2-3 years | 22,341
3-4 years | 0
4-5 years | 0
Fair value | 28,274
Municipal Bonds |
Debt Securities, Available-for-sale [Line Items] |
1 year or less | 1,307
1-2 years | 1,110
2-3 years | 0
3-4 years | 0
4-5 years | 0
Fair value | $ 2,417

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