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Note 11 - Goodwill and Intangible Assets (Details Textual) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 30, 2024	Mar. 25, 2023	Mar. 30, 2024	Mar. 25, 2023
Amortization of Intangible Assets	$ 1.6	$ 1.7	$ 3.2	$ 3.4
Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year	3.1		3.1
Finite-Lived Intangible Asset, Expected Amortization, Year One	5.6		5.6
Finite-Lived Intangible Asset, Expected Amortization, Year Four	4.6		4.6
Finite-Lived Intangible Asset, Expected Amortization, Year Four	$ 4.2		$ 4.2
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life	10 years 4 months 24 days
Technology-Based Intangible Assets [Member]
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life	10 years
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life	10 years
License and Rights [Member]
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life	20 years
Franchise Rights [Member]
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life	10 years
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	2 years		2 years
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	20 years		20 years