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Financial Instruments - Narrative (Details) - USD ($)	3 Months Ended	6 Months Ended
	Mar. 30, 2024	Mar. 30, 2024	Sep. 30, 2023
Debt Securities, Available-for-Sale [Line Items]
Debt securities, available-for-sale, noncurrent	$ 0	$ 0
Realized gain (loss)	0	0
Debt securities, available-for-sale, allowance for credit loss	0	0
Accrued interest writeoff	0	0
Marketable securities
Debt Securities, Available-for-Sale [Line Items]
Estimated Fair Value	$ 45,598,000	$ 45,598,000	$ 0

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Amount of writeoff of accrued interest on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), recognized by reversing interest income.

+ References

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-Topic 326
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-Section 50
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Amount excluding accrued interest, of allowance for credit loss 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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Amount excluding accrued interest, 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 excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as noncurrent.

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