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Debt Schedule of Payments (Details) - USD ($)
3 Months Ended
Dec. 30, 2018
Dec. 24, 2017
Sep. 30, 2018
Schedule Of Debt Payments [Line Items]      
Amortization of Debt Issuance Costs $ 724,000    
Debt, Long-term and Short-term, Combined Amount 477,832,000   $ 484,859,000
Repayments of Long-term Debt 7,027,000 $ 16,432,000  
Senior Notes [Member]      
Schedule Of Debt Payments [Line Items]      
Debt, Long-term and Short-term, Combined Amount 385,000,000   385,000,000
New 1st Lien Term Loan [Member]      
Schedule Of Debt Payments [Line Items]      
Debt, Long-term and Short-term, Combined Amount 0   $ 6,303,000
Excess Cash Flow Sweep [Member] | 2nd Lien Agreement [Member]      
Schedule Of Debt Payments [Line Items]      
Pulitzer Excess Cash Flow $ 724,000