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Fair Value Measurements (Tables)

6 Months Ended

Mar. 29, 2025

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets Measured on Recurring Basis

The following table summarizes cash, cash equivalents and marketable securities by investment category as of March 29, 2025 and September 28, 2024:

						March 29, 2025
						Amortized Cost						Unrealized Gain						Unrealized Loss						Estimated Fair Value						Cash and Cash Equivalents						Marketable Securities
Cash						$	157,192					$	—					$	—					$	157,192					$	157,192					$	—
Level 1:
Money market funds						13,775						—						—						13,775						13,775						—
Subtotal						13,775						—						—						13,775						13,775						—
Level 2:
U.S. Treasury securities						52,535						15						(10)						52,540						2,191						50,349
Subtotal						52,535						15						(10)						52,540						2,191						50,349
Total						$	223,502					$	15					$	(10)					$	223,507					$	173,158					$	50,349

						September 28, 2024
						Amortized Cost						Unrealized Gain						Unrealized Loss						Estimated Fair Value						Cash and Cash Equivalents						Marketable Securities
Cash						$	144,184					$	—					$	—					$	144,184					$	144,184					$	—
Level 1:
Money market funds						25,548						—						—						25,548						25,548						—
Subtotal						25,548						—						—						25,548						25,548						—
Level 2:
U.S. Treasury securities						51,304						122						—						51,426						—						51,426
Subtotal						51,304						122						—						51,426						—						51,426
Total						$	221,036					$	122					$	—					$	221,158					$	169,732					$	51,426

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- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ 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

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X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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