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Note 3 - Stock-based Compensation - Summary of Non-vested Restricted Stock Units (Details) - Performance-based Restricted Stock Units [Member] shares in Thousands | Sep. 28, 2024 $ / shares shares
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October 2018 [Member] |
Total number of units outstanding (in shares) | shares | 5
Grant date fair value per unit (in dollars per share) | $ / shares | $ 20.81
March 2022 [Member] |
Total number of units outstanding (in shares) | shares | 1
Grant date fair value per unit (in dollars per share) | $ / shares | $ 76.31
May 2022, First Issuance [Member] |
Total number of units outstanding (in shares) | shares | 9
Grant date fair value per unit (in dollars per share) | $ / shares | $ 63.17
May 2022, Second Issuance [Member] |
Total number of units outstanding (in shares) | shares | 8
Grant date fair value per unit (in dollars per share) | $ / shares | $ 63.17
Estimated level of achievement | 0.00%
August 2022 Issuance [Member] |
Total number of units outstanding (in shares) | shares | 1
Grant date fair value per unit (in dollars per share) | $ / shares | $ 78.04
May 2023 First Issuance [Member] |
Total number of units outstanding (in shares) | shares | 8
Grant date fair value per unit (in dollars per share) | $ / shares | $ 89.7
Estimated level of achievement | 150.00%
May 2023 Second Issuance [Member] |
Total number of units outstanding (in shares) | shares | 8
Grant date fair value per unit (in dollars per share) | $ / shares | $ 89.7
May 2023 Third Issuance [Member] |
Total number of units outstanding (in shares) | shares | 13
Grant date fair value per unit (in dollars per share) | $ / shares | $ 89.7
April 2024 First Issuance [Member] |
Total number of units outstanding (in shares) | shares | 2
Grant date fair value per unit (in dollars per share) | $ / shares | $ 107.13
April 2024 Second Issuance [Member] |
Total number of units outstanding (in shares) | shares | 1
Grant date fair value per unit (in dollars per share) | $ / shares | $ 108.04
May 2024 First Issuance [Member] |
Total number of units outstanding (in shares) | shares | 1
Grant date fair value per unit (in dollars per share) | $ / shares | $ 119.45
May 2024 Second Issuance [Member] |
Total number of units outstanding (in shares) | shares | 1
Grant date fair value per unit (in dollars per share) | $ / shares | $ 124.12
May 2024 Third Issuance [Member] |
Total number of units outstanding (in shares) | shares | 9
Grant date fair value per unit (in dollars per share) | $ / shares | $ 124.12
Estimated level of achievement | 100.00%
May 2024 Fourth Issuance [Member] |
Total number of units outstanding (in shares) | shares | 10
Grant date fair value per unit (in dollars per share) | $ / shares | $ 124.12
July 2024 [Member] |
Total number of units outstanding (in shares) | shares | 1
Grant date fair value per unit (in dollars per share) | $ / shares | $ 116.91
September 2024, First Issuance [Member] |
Total number of units outstanding (in shares) | shares | 6
Grant date fair value per unit (in dollars per share) | $ / shares | $ 120.66
September 2024 Second Issuance [Member] |
Total number of units outstanding (in shares) | shares | 1
Grant date fair value per unit (in dollars per share) | $ / shares | $ 123.33
Estimated level of achievement | 100.00%
September 2024 Third Issuance [Member] |
Total number of units outstanding (in shares) | shares | 1
Grant date fair value per unit (in dollars per share) | $ / shares | $ 123.33

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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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