Note 15 - Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Mar. 25, 2023	Sep. 24, 2022
Operating lease right-of-use assets	$ 50,252	$ 51,137
Current operating lease liabilities	13,507	13,524
Noncurrent operating lease liabilities	41,642	42,660
Total operating lease liabilities	55,149	56,184
Current finance lease liabilities	226	124
Noncurrent finance lease liabilities	702	254
Total finance lease liabilities	928	378
Property, Plant and Equipment, Net [Member]
Finance lease right-of-use assets in Property, plant and equipment, net	$ 766	$ 328