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Note A - Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Jan. 02, 2021
Notes Tables |
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] |
|  |  |  |  |  | Fair Value Measurements Using |
|  | January 2, |  |  | Inputs |
|  | 2021 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Money market funds included in cash equivalents |  | $ | 224,092 |  |  | $ | 224,092 |  |  | $ | — |  |  | $ | — |
Foreign currency contracts included in other current liabilities |  |  | (1,470 | ) |  |  | — |  |  |  | (1,470 | ) |  |  | — |
|  | $ | 222,622 |  |  | $ | 224,092 |  |  | $ | (1,470 | ) |  | $ | — |
|  |  |  |  |  | Fair Value Measurements Using |
|  | December 28, |  |  | Inputs |
|  | 2019 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Money market funds included in cash equivalents |  | $ | 180,032 |  |  | $ | 180,032 |  |  | $ | — |  |  | $ | — |
Foreign currency contracts included in other current liabilities |  |  | (764 | ) |  |  | — |  |  |  | (764 | ) |  |  | — |
|  | $ | 179,268 |  |  | $ | 180,032 |  |  | $ | (764 | ) |  | $ | — |
Disaggregation of Revenue [Table Text Block] |
|  | Year Ended |
|  | 2020 |  |  | 2019 |  |  | 2018 |
Other Revenue |  | $ | 3,805 |  |  | $ | 3,059 |  |  | $ | 4,007 |
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] |
|  | January 2, |  |  | December 28, |
|  | 2021 |  |  | 2019 |
Contract liabilities at beginning of period |  | $ | 13,852 |  |  | $ | 15,055 |
Increase due to deferral of revenue at period end |  |  | 15,952 |  |  |  | 13,852 |
Decrease due to beginning contract liabilities recognized as revenue |  |  | (13,852 | ) |  |  | (15,055 | )
Contract liabilities at end of period |  | $ | 15,952 |  |  | $ | 13,852 |

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- Definition Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19279-110258 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2C -URI http://asc.fasb.org/extlink&oid=117815213&loc=SL7498348-110258 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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