Net Loss per Share - Narrative (Details) - $ / shares	12 Months Ended
	Sep. 28, 2024	Sep. 30, 2023
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Average share price (in dollars per share)	$ 38.79	$ 25.30
RSUs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of dilutive earnings per share (in shares)	5,636,703	7,635,238
Warrant
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of dilutive earnings per share (in shares)		9,598,620