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CASH, CASH EQUIVALENTS, RESTRICTED CASH AND SHORT-TERM INVESTMENTS (Details) - USD ($) $ in Thousands | Jun. 29, 2024 | Sep. 30, 2023
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Cash, Cash Equivalents, Restricted Cash and Short-Term Investments [Line Items] |  |
Cash, Amortized Cost | $ 46,816 | $ 37,292
Cash, Unrealized Gains | 0 | 0
Cash, Unrealized Losses | 0 | 0
Cash, Estimated Fair Value | 46,816 | 37,292
Cash and Cash Equivalents, Amortized Cost | 366,935 | 529,412
Cash and Cash Equivalents, Unrealized Gain | 0 | 0
Cash and Cash Equivalents, Unrealized Loss | (18) | (10)
Cash and Cash Equivalents, Estimated Fair Value | 366,917 | 529,402
Short-term investments, Amortized Cost | 235,000 | 230,000
Short-term Investments, Unrealized Gain | 0 | 0
Short-term Investments, Unrealized Loss | 0 | 0
Short-term Investments, Estimated Fair Value | 235,000 | 230,000
Cash, Cash Equivalents, Restricted Cash, and Short-Term Investments, Amortized Cost | 601,935 | 759,412
Cash, Cash Equivalents, Restricted Cash, and Short-Term Investments, Unrealized Gain | 0 | 0
Cash, Cash Equivalents, Restricted Cash, and Short-Term Investments, Unrealized Loss | (18) | (10)
Cash, Cash Equivalents, Restricted Cash, and Short-Term Investments, Estimated Fair Value | 601,917 | 759,402
Mutual Funds |  |
Cash, Cash Equivalents, Restricted Cash and Short-Term Investments [Line Items] |  |
Cash Equivalents, Amortized Cost | 204,395 | 202,113
Cash Equivalents, Unrealized Gain | 0 | 0
Cash Equivalents, Unrealized Loss | (18) | (10)
Cash Equivalents, Estimated Fair Value | 204,377 | 202,103
Time deposits |  |
Cash, Cash Equivalents, Restricted Cash and Short-Term Investments [Line Items] |  |
Cash Equivalents, Amortized Cost | 115,724 | 290,007
Cash Equivalents, Unrealized Gain | 0 | 0
Cash Equivalents, Unrealized Loss | 0 | 0
Cash Equivalents, Estimated Fair Value | 115,724 | 290,007
Short-term investments, Amortized Cost | 235,000 | 230,000
Short-term Investments, Unrealized Gain | 0 | 0
Short-term Investments, Unrealized Loss | 0 | 0
Short-term Investments, Estimated Fair Value | $ 235,000 | $ 230,000

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 852 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481372/852-10-55-10 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 830 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479168/946-830-55-12 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 45 -Paragraph 21 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477796/946-210-45-21 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 45 -Paragraph 20 -SubTopic 210 -Topic 946 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477796/946-210-45-20 + Details
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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