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Cash, Cash Equivalents, and Investments - Gross Unrealized Losses and Fair Values for Available-for-Sale Investments (Detail) $ in Thousands | Oct. 02, 2016 USD ($)
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Schedule of Available-for-sale Securities [Line Items] |
Fair value, less than 12 months | $ 123,815
Unrealized losses, less than 12 months | (82)
Fair value, 12 months or greater | 41,969
Unrealized losses, 12 months or greater | (69)
Total fair value | 165,784
Total unrealized losses | (151)
Treasury Bills |
Schedule of Available-for-sale Securities [Line Items] |
Fair value, less than 12 months | 44,714
Unrealized losses, less than 12 months | (19)
Fair value, 12 months or greater | 0
Unrealized losses, 12 months or greater | 0
Total fair value | 44,714
Total unrealized losses | (19)
Corporate Bonds |
Schedule of Available-for-sale Securities [Line Items] |
Fair value, less than 12 months | 55,613
Unrealized losses, less than 12 months | (50)
Fair value, 12 months or greater | 24,991
Unrealized losses, 12 months or greater | (58)
Total fair value | 80,604
Total unrealized losses | (108)
Asset-Backed Securities |
Schedule of Available-for-sale Securities [Line Items] |
Fair value, less than 12 months | 7,074
Unrealized losses, less than 12 months | (2)
Fair value, 12 months or greater | 13,580
Unrealized losses, 12 months or greater | (9)
Total fair value | 20,654
Total unrealized losses | (11)
Sovereign Bonds |
Schedule of Available-for-sale Securities [Line Items] |
Fair value, less than 12 months | 16,414
Unrealized losses, less than 12 months | (11)
Fair value, 12 months or greater | 3,398
Unrealized losses, 12 months or greater | (2)
Total fair value | 19,812
Total unrealized losses | $ (13)

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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 Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27337-111563 + Details
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