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CASH, CASH EQUIVALENTS, AND MARKETABLE SECURITIES - Schedule of Marketable Securities (Details) - USD ($) $ in Thousands	Jun. 28, 2024	Sep. 29, 2023	Jun. 30, 2023
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	$ 23,814	$ 40,870	$ 40,865
Fair Value	23,783	40,707	40,696
Gross unrealized gains	0	0	0
Gross unrealized losses	31	163	169
Fixed rate US Government Bonds
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	14,984	29,749	29,614
Fair Value	14,975	29,686	29,526
Gross unrealized gains	0	0	0
Gross unrealized losses	9	63	87
Fixed rate Canadian Government Bonds
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	8,830	11,121	11,251
Fair Value	8,808	11,021	11,170
Gross unrealized gains	0	0	0
Gross unrealized losses	$ 22	$ 100	$ 82

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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