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Investments | 12 Months Ended
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Dec. 29, 2018
Investments [Abstract] |
Investments | NOTE B — INVESTMENTS The carrying amount, gross unrealized holding gains, gross unrealized holding losses, and fair value of securities held-to-maturity by major security type and class of security were as follows:
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | As of December 29, 2018 |
﻿ |  | Amortized Cost |  | Unrecognized Holding Gains |  | Unrecognized Holding Losses |  | Estimated Fair Value |
﻿ |  |  |  |  |  |  |  |  |
﻿Corporate bonds |  | $ 57,554 |  | $ 1 |  | $ (46) |  | $ 57,509 |
﻿Commercial paper |  | 5,985 |  | - |  | - |  | 5,985 |
﻿ |  |  |  |  |  |  |  |  |
﻿Total securities held-to-maturity |  | $ 63,539 |  | $ 1 |  | $ (46) |  | $ 63,494 |
﻿ ﻿ All held-to-maturity securities as of December 29, 2018 mature within one year.

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- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2209399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2324412 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2176304 + Details
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