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Note 10 (Details Textual)
 3 Months Ended 9 Months Ended
Jun. 24, 2017
USD ($)
Jun. 25, 2016
USD ($)
Jun. 24, 2017
USD ($)
Jun. 25, 2016
USD ($)
Mar. 25, 2017
USD ($)
Number of Reportable Segments     3    
Intangible Assets Acquired       $ 0  
Amortization of Intangible Assets $ 828,000 $ 1,267,000 $ 2,957,000 3,924,000  
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year 3,900,000   3,900,000    
Finite-Lived Intangible Assets, Amortization Expense, Year Two 3,500,000   3,500,000    
Finite-Lived Intangible Assets, Amortization Expense, Year Three 3,400,000   3,400,000    
Finite-Lived Intangible Assets, Amortization Expense, Year Four 3,200,000   3,200,000    
Finite-Lived Intangible Assets, Amortization Expense, Year Five 2,500,000   $ 2,500,000    
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life     10 years 219 days    
Goodwill, Acquired During Period   $ 0   $ 0  
ICEE Distributor [Member] | Frozen Beverages [Member]          
Intangible Assets Acquired 6,957,000        
Goodwill, Acquired During Period $ 1,236,000        
Hill & Valley Inc. [Member] | Food Service [Member]          
Intangible Assets Acquired     $ 15,760,000    
Goodwill, Acquired During Period     $ 14,175,000    
Minimum [Member]          
Finite-Lived Intangible Asset, Useful Life     3 years    
Maximum [Member]          
Finite-Lived Intangible Asset, Useful Life     20 years    
Trade Names [Member]          
Finite-Lived Intangible Assets, Gross         $ 649,000
Finite-Lived Intangible Asset, Useful Life     5 years