REVENUE (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 01, 2021	Oct. 02, 2020	Dec. 27, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Revenue, financing component	one year or less
Contract with customer, asset	$ 1,367		$ 1,112
Contract with customer, liability	5,508	$ 4,426	3,819
Accrued Discounts And Returns
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Contract with customer, liability	$ 3,621		$ 3,394