Note 15 - Related Parties (Details Textual) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Jun. 29, 2024	Jun. 24, 2023	Jun. 29, 2024	Jun. 24, 2023	Sep. 30, 2023
Operating Lease, Right-of-Use Asset	$ 152,712		$ 152,712		$ 88,868
Operating Lease, Liability, Current	19,104		19,104		16,478
Operating Lease, Liability, Noncurrent	140,724		140,724		77,631
Operating Lease, Payments	6,978	$ 4,422	18,672	$ 12,201
NFI [Member]
Operating Lease, Right-of-Use Asset	27,700	28,700	27,700	28,700	28,400
Operating Lease, Liability, Current	600	200	600	200	500
Operating Lease, Liability, Noncurrent	28,100	28,500	28,100	28,500	28,500
Operating Lease, Payments	500	0	1,400	0
NFI [Member] \| Distribution and Shipping Costs [Member]
Related Party Transaction, Amounts of Transaction	18,900	13,500	49,300	41,100
NFI [Member] \| Management Services [Member]
Related Party Transaction, Amounts of Transaction	300	300	800	$ 600
NFI [Member] \| Labor Management Services [Member]
Related Party Transaction, Amounts of Transaction	3,200		6,700
Labor Management Services [Member] \| NFI [Member]
Related Party Transaction, Amounts of Transaction		$ 0
Related Party [Member]
Accounts Payable, Trade	$ 500		$ 500		$ 3,400

Carrying value as of the balance sheet date of obligations incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(15)(5))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

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- Definition

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+ References

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-Subparagraph (c)
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
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-Name Accounting Standards Codification
-Section 50
-Paragraph 4
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-Publisher FASB
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- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

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- Definition

Amount of transactions with related party during the financial reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
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