Stock-based Compensation - Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended	12 Months Ended
Mar. 29, 2025	Sep. 28, 2024
Number of Options
Beginning balance (in shares)	7,082,389
Exercised (in shares)	(195,479)
Forfeited / expired (in shares)	(235,600)
Ending balance (in shares)	6,651,310	7,082,389
Weighted-Average Exercise Price
Beginning balance (in USD per share)	$ 14.24
Exercised (in USD per share)	13.59
Forfeited / expired (in USD per share)	14.61
Ending balance (in USD per share)	$ 14.24	$ 14.24
Weighted-Average Remaining Contractual Term	1 year 9 months 18 days	2 years 9 months 18 days
Aggregate Intrinsic Value	$ 0	$ 210

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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- Definition

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

+ References

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-Name Accounting Standards Codification
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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

+ References

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

+ References

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- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Number of share options (or share units) exercised during the current period.

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