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Note K - Equity-based Compensation - Summary of Stock-settled Stock Appreciation Right Activity (Details) - Stock Appreciation Rights (SARs) [Member] - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 12 Months Ended
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Jan. 02, 2021 | Dec. 28, 2019
Outstanding, shares (in shares) |  | 1,129 |
Outstanding, weighted-average exercise price (in dollars per share) |  | $ 70.00 |
Outstanding, weighted-average remaining contractual term (Year) |  | 2 years | 1 year 1 month 6 days
Outstanding, aggregate intrinsic value | [1] | $ 5,434 | $ 13,091
Granted, shares (in shares) |  | 111 |
Granted, weighted-average exercise price (in dollars per share) |  | $ 63.02 |
Exercised, shares (in shares) |  | (681) |
Exercised, weighted-average exercise price (in dollars per share) |  | $ 69.24 |
Forfeited, shares (in shares) |  | 0 |
Forfeited, weighted-average exercise price (in dollars per share) |  | $ 0 |
Expired, shares (in shares) |  | (115) |
Expired, weighted-average exercise price (in dollars per share) |  | $ 70.75 |
Outstanding, shares (in shares) |  | 444 | 1,129
Outstanding, weighted-average exercise price (in dollars per share) |  | $ 69.25 | $ 70.00
Exercisable, shares (in shares) |  | 170 |
Exercisable, weighted-average exercise price (in dollars per share) |  | $ 67.16 |
Exercisable, weighted-average remaining contractual term (Year) |  | 1 year 3 months 18 days |
Exercisable, aggregate intrinsic value |  | $ 2,177 |
[1] | Aggregate intrinsic value is defined as the difference between the current market value at the reporting date (the closing price of the Company’s common stock on the last trading day of the period) and the exercise price of awards that were in-the-money. The closing price of the Company’s common stock at January 2, 2021, and December 28, 2019, was $80.00 and $114.96, respectively.

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- Definition Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the 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 (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of non-option equity instruments exercised by participants. + 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 (c)(1)(iv)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of shares under non-option equity instrument agreements for which rights to exercise lapsed. + 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 (c)(1)(iv)(4) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of shares under non-option equity instrument agreements that were cancelled as a result of occurrence of a terminating event. + 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 (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Net number of non-option equity instruments granted to participants. + 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 (c)(1)(iv)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of equity instruments other than options outstanding, including both vested and non-vested instruments. + 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 (c)(1)(ii) -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 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options. + References No definition available. + Details
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- Definition Intrinsic value of exercisable award under share-based payment arrangement. Excludes share and unit options. + References No definition available. + Details
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- Definition Weighted average remaining contractual term for equity-based awards excluding options that are exercisable, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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