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Cash, Cash Equivalents, and Investments - Gross Unrealized Losses and Fair Values for Available-for-Sale Investments (Detail) $ in Thousands | Sep. 29, 2019 USD ($)
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Debt Securities, Available-for-sale [Line Items] |
Fair value, less than 12 months | $ 160,738
Unrealized losses, less than 12 months | (160)
Fair value, 12 months or greater | 29,149
Unrealized losses, 12 months or greater | (47)
Total fair value | 189,887
Total unrealized losses | (207)
Treasury Bills |
Debt Securities, Available-for-sale [Line Items] |
Fair value, less than 12 months | 108,863
Unrealized losses, less than 12 months | (91)
Fair value, 12 months or greater | 0
Unrealized losses, 12 months or greater | 0
Total fair value | 108,863
Total unrealized losses | (91)
Agency Bonds |
Debt Securities, Available-for-sale [Line Items] |
Fair value, less than 12 months | 5,905
Unrealized losses, less than 12 months | (25)
Fair value, 12 months or greater | 0
Unrealized losses, 12 months or greater | 0
Total fair value | 5,905
Total unrealized losses | (25)
Corporate Bonds |
Debt Securities, Available-for-sale [Line Items] |
Fair value, less than 12 months | 23,263
Unrealized losses, less than 12 months | (17)
Fair value, 12 months or greater | 20,713
Unrealized losses, 12 months or greater | (36)
Total fair value | 43,976
Total unrealized losses | (53)
Asset-Backed Securities |
Debt Securities, Available-for-sale [Line Items] |
Fair value, less than 12 months | 11,149
Unrealized losses, less than 12 months | (15)
Fair value, 12 months or greater | 8,093
Unrealized losses, 12 months or greater | (9)
Total fair value | 19,242
Total unrealized losses | (24)
Sovereign Bonds |
Debt Securities, Available-for-sale [Line Items] |
Fair value, less than 12 months | 11,558
Unrealized losses, less than 12 months | (12)
Total fair value | 11,558
Total unrealized losses | (12)
Municipal Bonds |
Debt Securities, Available-for-sale [Line Items] |
Fair value, less than 12 months | 0
Unrealized losses, less than 12 months | 0
Fair value, 12 months or greater | 343
Unrealized losses, 12 months or greater | (2)
Total fair value | 343
Total unrealized losses | $ (2)

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- Definition Amount, before tax, of unrealized loss 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 (c) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer. + References No definition available. + Details
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- Definition This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities. + References No definition available. + Details
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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months. + References No definition available. + Details
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- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months. + References No definition available. + Details
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- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer. + References No definition available. + Details
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- Definition 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. + References No definition available. + Details
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