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.