CASH, CASH EQUIVALENTS, AND MARKETABLE SECURITIES - Narrative (Details) - USD ($)	3 Months Ended
Dec. 29, 2023	Dec. 30, 2022	Sep. 29, 2023
Investments, Debt and Equity Securities [Abstract]
Available-for-sale	$ 7,500	$ 0
Proceeds from sale of debt securities	0	0
Payments to acquire debt securities	0	0
Unrealized gain on available-for-sale securities, net of tax	0	0
Short term investments	29,094,000	0	$ 26,764,000
Investments	$ 4,668,000	$ 0	$ 13,943,000

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The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).

+ References

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-Topic 210
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Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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- Definition

Amount of cash outflow to acquire 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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of cash inflow from maturity, prepayment and call of 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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Amount of cash inflow from sale of 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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Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

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