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Income Taxes (Details) - USD ($)
3 Months Ended
Dec. 30, 2018
Dec. 24, 2017
Sep. 30, 2018
Deferred Income Tax Expense (Benefit) $ 204,000 $ (20,345,000)  
Income tax expense (benefit) 4,513,000 (19,690,000)  
Income (Loss) from Continuing Operations before Income Taxes, Domestic $ 15,232,000 $ 15,637,000  
Effective Income Tax Rate Reconciliation, Percent 29.60% (125.90%)  
Operating Loss Carryforwards     $ 63,048,000