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Note 2 - Business Combinations - Acquired Intangible Assets (Details) - USD ($) $ in Millions |  | 6 Months Ended |
--- | --- | --- | ---
Jun. 21, 2022 | Mar. 25, 2023 | Jun. 25, 2022 | [1]
Acquired indefinite-lived intangible assets | $ 76.9 |  |  |
acquired finite-lived intangible assets, weighted average life (Year) |  | 10 years 4 months 24 days |  |
Dippin’ Dots Holding, L.L.C. [Member] |  |  |  |
Total acquired intangible assets | $ 118.2 | $ 118.2 | [1] | $ 120.4
Developed Technology Rights [Member] | Dippin’ Dots Holding, L.L.C. [Member] |  |  |  |
acquired finite-lived intangible assets, weighted average life (Year) | 10 years |  |  |
Acquired finite-lived intangible assets | $ 22.9 |  |  |
Customer Relationships [Member] |  |  |  |
acquired finite-lived intangible assets, weighted average life (Year) |  | 10 years |  |
Customer Relationships [Member] | Dippin’ Dots Holding, L.L.C. [Member] |  |  |  |
acquired finite-lived intangible assets, weighted average life (Year) | 10 years |  |  |
Acquired finite-lived intangible assets | $ 9.9 |  |  |
Franchise Rights [Member] |  |  |  |
acquired finite-lived intangible assets, weighted average life (Year) |  | 10 years |  |
Franchise Rights [Member] | Dippin’ Dots Holding, L.L.C. [Member] |  |  |  |
acquired finite-lived intangible assets, weighted average life (Year) | 10 years |  |  |
Acquired finite-lived intangible assets | $ 8.5 |  |  |
[1] | Due to the limited time since the date of the acquisition, the purchase price allocation remains preliminary.

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, 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 -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-1 + Details
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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479907/805-20-50-1 + Details
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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-1 + Details
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