Note 1 - Organization and Significant Accounting Policies - Depreciation and Amortization Rates (Details)	12 Months Ended
	Jun. 28, 2020
Bowling Lanes and Equipment [Member] | Minimum [Member]
Property, Plant, and Equipment, Useful Life (Year)	3 years
Bowling Lanes and Equipment [Member] | Maximum [Member]
Property, Plant, and Equipment, Useful Life (Year)	10 years
Building and Building Improvements [Member] | Minimum [Member]
Property, Plant, and Equipment, Useful Life (Year)	10 years
Building and Building Improvements [Member] | Maximum [Member]
Property, Plant, and Equipment, Useful Life (Year)	39 years
Leasehold Improvements [Member] | Minimum [Member]
Property, Plant, and Equipment, Useful Life (Year)	5 years
Leasehold Improvements [Member] | Maximum [Member]
Property, Plant, and Equipment, Useful Life (Year)	15 years
Amusement Games [Member] | Minimum [Member]
Property, Plant, and Equipment, Useful Life (Year)	3 years
Amusement Games [Member] | Maximum [Member]
Property, Plant, and Equipment, Useful Life (Year)	5 years