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Note 3 - Stock-based Compensation - Summary of Restricted Stock Units (Details) - Restricted Stock Units (RSUs) [Member] shares in Thousands | 3 Months Ended
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Jun. 28, 2025 $ / shares shares
April 2018, First Issuance [Member] |
Number of units granted (in shares) | shares | 4
Grant date fair value per unit (in dollars per share) | $ / shares | $ 20.81
April 2017 [Member] |
Number of units granted (in shares) | shares | 1
Grant date fair value per unit (in dollars per share) | $ / shares | $ 78.04
July 2020 [Member] |
Number of units granted (in shares) | shares | 8
Grant date fair value per unit (in dollars per share) | $ / shares | $ 89.7
September 2019 [Member] |
Number of units granted (in shares) | shares | 8
Grant date fair value per unit (in dollars per share) | $ / shares | $ 89.7
October 2018 [Member] |
Number of units granted (in shares) | shares | 11
Grant date fair value per unit (in dollars per share) | $ / shares | $ 89.7
January 2021 [Member] |
Number of units granted (in shares) | shares | 2
Grant date fair value per unit (in dollars per share) | $ / shares | $ 107.13
May 2018, First Issuance [Member] |
Number of units granted (in shares) | shares | 1
Grant date fair value per unit (in dollars per share) | $ / shares | $ 108.04
April 2018, Second Issuance [Member] |
Number of units granted (in shares) | shares | 1
Grant date fair value per unit (in dollars per share) | $ / shares | $ 119.45
May 2018, Second Issuance [Member] |
Number of units granted (in shares) | shares | 9
Grant date fair value per unit (in dollars per share) | $ / shares | $ 124.12
September 2020, First Issuance [Member] |
Number of units granted (in shares) | shares | 10
Grant date fair value per unit (in dollars per share) | $ / shares | $ 124.12
October 2018, Second Issuance [Member] |
Number of units granted (in shares) | shares | 1
Grant date fair value per unit (in dollars per share) | $ / shares | $ 116.91
April 2019 [Member] |
Number of units granted (in shares) | shares | 6
Grant date fair value per unit (in dollars per share) | $ / shares | $ 120.66
April 2019, Second Issuance [Member] |
Number of units granted (in shares) | shares | 1
Grant date fair value per unit (in dollars per share) | $ / shares | $ 123.33
July 2022 [Member] |
Number of units granted (in shares) | shares | 1
Grant date fair value per unit (in dollars per share) | $ / shares | $ 123.33
September 2021 [Member] |
Number of units granted (in shares) | shares | 9
Grant date fair value per unit (in dollars per share) | $ / shares | $ 103.44
September 2022 [Member] |
Number of units granted (in shares) | shares | 1
Grant date fair value per unit (in dollars per share) | $ / shares | $ 73.78
October 2018, Third Issuance [Member] |
Number of units granted (in shares) | shares | 11
Grant date fair value per unit (in dollars per share) | $ / shares | $ 92.04
April 2020 [Member] |
Number of units granted (in shares) | shares | 10
Grant date fair value per unit (in dollars per share) | $ / shares | $ 92.04
July 2020, Second Issuance [Member] |
Number of units granted (in shares) | shares | 1
Grant date fair value per unit (in dollars per share) | $ / shares | $ 87.38
September 2020, Second Issuance [Member] |
Number of units granted (in shares) | shares | 1
Grant date fair value per unit (in dollars per share) | $ / shares | $ 77.98

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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + 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 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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