Note 3 - Revenue Recognition (Details Textual) - USD ($) $ in Millions	Mar. 25, 2023	Sep. 24, 2022
Contract with Customer, Asset, Allowance for Deductions	$ 13.8	$ 14.7
Accounts Receivable, Allowance for Credit Loss	$ 2.3	$ 2.2

Amount of allowance for credit loss on accounts receivable.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Name:	us-gaap_AllowanceForDoubtfulAccountsReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant