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Note K - Equity-based Compensation - Weighted-average Assumptions (Details) - Stock Appreciation Rights (SARs) [Member] - $ / shares | 12 Months Ended
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Jan. 02, 2021 | Dec. 28, 2019
Expected volatility (1) | [1] | 35.23% | 37.21%
Risk-free interest rate (2) | [2] | 1.66% | 2.53%
Expected life (3) (Year) | [3] | 3 years 6 months | 3 years 6 months
Expected dividend yield (4) | [4] | 0.00% | 0.00%
Weighted-average exercise price (5) (in dollars per share) | [5] | $ 63.02 | $ 116.06
[1] | The Company utilizes historical volatility of the trading price of its common stock.
[2] | Risk-free interest rate is based on the U.S. Treasury yield curve with respect to the expected life of the award.
[3] | Depending upon the terms of the award, one of two methods will be used to calculate expected life: (i) a weighted-average that includes historical settlement data of the Company's equity awards and a hypothetical holding period, or (ii) the simplified method.
[4] | The Company historically has not paid and currently has no plan to pay dividends.
[5] | Exercise price is the closing price of the Company's common stock on the date of grant.

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- Definition Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award. + References No definition available. + Details
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iv) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.D.2) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 + Details
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