CASH, CASH EQUIVALENTS, AND SHORT-TERM INVESTMENTS (Details) - USD ($) $ in Thousands	Sep. 28, 2024	Sep. 30, 2023
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents, Amortized Cost	$ 227,147	$ 529,402
Cash, Unrealized Gains	0	0
Cash, Unrealized Losses	0	0
Cash	26,800	37,292
Total cash and cash equivalents, Amortized Cost	227,058	529,412
Total cash and cash equivalents, Unrealized Gains	89	0
Total cash and cash equivalents, Unrealized Losses	0	(10)
Total cash and cash equivalents, Estimated Fair Value	227,147	529,402
Short-term investments	350,000	230,000
Short-term investments, Unrealized Gains	0	0
Short-term investments, Unrealized Losses	0	0
Short-term investments, Estimated Fair Value	350,000	230,000
Total cash, cash equivalents, restricted cash and short-term investments	577,058	759,412
Total cash, cash equivalents, restricted cash and short-term investments, Unrealized Gains	89	0
Total cash, cash equivalents, restricted cash and short-term investments, Unrealized Losses	0	(10)
Total cash, cash equivalents, restricted cash and short-term investments, Estimated Fair Value	577,147	759,402
Cash
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents, Amortized Cost	26,800	37,292
Cash equivalents, Mutual funds
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents, Amortized Cost	157,590	202,113
Cash equivalents, Unrealized Gains	89	0
Cash equivalents, Unrealized Losses	0	(10)
Cash equivalents, Estimated Fair Value	157,679	202,103
Cash equivalents, Time deposits
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents, Amortized Cost	42,668	290,007
Cash equivalents, Unrealized Gains	0	0
Cash equivalents, Unrealized Losses	0	0
Cash equivalents, Estimated Fair Value	42,668	290,007
Short-term investments	350,000	230,000
Short-term investments, Unrealized Gains	0	0
Short-term investments, Unrealized Losses	0	0
Short-term investments, Estimated Fair Value	$ 350,000	$ 230,000