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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jul. 01, 2017
Jul. 02, 2016
Jul. 02, 2016
Oct. 01, 2016
Income Tax Disclosure [Abstract]        
Tax Adjustments, Settlements, and Unusual Provisions $ (2,801)   $ (2,283)  
Effective income tax rate reconciliation, nondeductible expense   $ 577 $ 577  
Unrecognized tax benefits 6,475     $ 6,232
Unrecognized tax benefits that would favorably impact the effective tax rate on continuing operations $ 3,700     $ 3,429