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Liquidity and Going Concern Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 12, 2018
Aug. 31, 2017
Feb. 28, 2017
Other Commitments [Line Items]      
Current maturities of long-term debt (Note 4)   $ 16,367 $ 23,600
Revolver      
Other Commitments [Line Items]      
Current maturities of long-term debt (Note 4)   5,000  
Term Loan      
Other Commitments [Line Items]      
Current maturities of long-term debt (Note 4)   $ 4,400  
Scenario, Forecast [Member]      
Other Commitments [Line Items]      
Interest Paid, Net $ 6,500    
Income Taxes Paid $ 3,200