Note 10 (Details Textual)	3 Months Ended
	Dec. 26, 2020 USD ($)	Dec. 28, 2019 USD ($)
Number of Reportable Segments	3
Amortization of Intangible Assets, Total	$ 679,000	$ 843,000
Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year	2,500,000
Finite-Lived Intangible Asset, Expected Amortization, Year One	2,300,000
Finite-Lived Intangible Asset, Expected Amortization, Year Two	2,300,000
Finite-Lived Intangible Asset, Expected Amortization, Year Three	2,000,000
Finite-Lived Intangible Asset, Expected Amortization, Year Four	$ 1,400,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)	10 years 10 months 24 days
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	2 years
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	20 years