INCOME TAXES (Summary of Earnings Before Income Taxes, Income Tax Expense and Effective Income Tax Rate) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 01, 2021	Dec. 27, 2019
Income Tax Disclosure [Abstract]
Profit before income taxes	$ 26,011	$ 8,589
Income tax expense	$ 6,164	$ 2,159
Effective income tax rate	23.70%	25.10%