Earnings Per Share - Summary of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net (loss) income	$ (6,435)	$ 4,332	$ (22,664)	$ 2,099
Weighted-average common shares outstanding	31,990,860	27,172,162	30,687,406	27,116,915
Weighted-average shares and dilutive potential common shares	31,990,860	27,428,877	30,687,406	27,337,360
Basic earnings per share (in dollars per share)	$ (0.20)	$ 0.16	$ (0.74)	$ 0.08
Diluted earnings per share (in dollars per share)	$ (0.20)	$ 0.16	$ (0.74)	$ 0.08
Restricted Stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Weighted-average dilutive securities	0	121,399	0	144,835
Options
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Weighted-average dilutive securities	0	135,316	0	75,610