Note 1 - Significant Accounting Policies - Estimated Useful Lives of Property and Equipment (Details)	12 Months Ended
	Sep. 26, 2021
Building Improvements [Member] | Minimum [Member]
Property and equipment, useful life (Year)	5 years
Building Improvements [Member] | Maximum [Member]
Property and equipment, useful life (Year)	40 years
Printing Press and Insertion Equipment [Member] | Minimum [Member]
Property and equipment, useful life (Year)	5 years
Printing Press and Insertion Equipment [Member] | Maximum [Member]
Property and equipment, useful life (Year)	25 years
Leasehold Improvements [Member] | Minimum [Member]
Property and equipment, useful life (Year)	3 years
Leasehold Improvements [Member] | Maximum [Member]
Property and equipment, useful life (Year)	10 years
Property, Plant and Equipment, Other Types [Member] | Minimum [Member]
Property and equipment, useful life (Year)	3 years
Property, Plant and Equipment, Other Types [Member] | Maximum [Member]
Property and equipment, useful life (Year)	15 years