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Basis of Presentation (Details) - USD ($)
 12 Months Ended
Sep. 30, 2018
Sep. 24, 2017
Sep. 25, 2016
Basis of Presentation [Line Items]      
Goodwill $ 246,176,000 $ 246,426,000 $ 243,729,000
Class of Warrant or Right, Outstanding 6,000,000    
Inventory, LIFO Reserve $ 2,333,500 1,608,000  
LIFO Inventory Amount 2,071,000 1,167,000  
Newsprint Inventory $ 5,684,000 3,616,000  
Buildings and improvements low-end 5 years    
Buildings and improvements high-end 54 years    
Printing presses and insertion equipment low-end 3 years    
Printing presses and insertion equipment high-end 28 years    
Other low-end 3 years    
Other high-end 17 years    
Customer Lists [Member]      
Basis of Presentation [Line Items]      
Intangible Assets Useful Life - Minimum 17 years    
Intangible Assets Useful Life - Maximum 23 years    
Subscriber Lists [Member]      
Basis of Presentation [Line Items]      
Intangible Assets Useful Life - Minimum 17 years    
Intangible Assets Useful Life - Maximum 33 years    
Newsprint [Member]      
Basis of Presentation [Line Items]      
FIFO Inventory Amount $ 2,079,000 962,000  
Other Assets [Member]      
Basis of Presentation [Line Items]      
FIFO Inventory Amount 1,534,000 1,487,000  
Retained Earnings [Member]      
Basis of Presentation [Line Items]      
Cumulative Effect on Retained Earnings, Net of Tax $ 3,067,000 $ 0 $ 0