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INCOME TAXES (Summary of Earnings Before Income Taxes, Income Tax Expense and Effective Income Tax Rate) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 27, 2020
Mar. 29, 2019
Mar. 27, 2020
Mar. 29, 2019
Income Tax Disclosure [Abstract]        
Profit before income taxes $ 28,377 $ 30,020 $ 36,966 $ 34,351
Income tax expense $ 7,990 $ 8,097 $ 10,149 $ 8,907
Effective income tax rate 28.20% 27.00% 27.50% 25.90%