Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Oct. 01, 2022	Oct. 02, 2021	Oct. 03, 2020
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (45,759)	$ (289)	$ 12,185
Net change in defined benefit pension plan	2,864	13,603	(2,243)
Total other comprehensive income (loss), net of tax	2,864	13,603	(2,243)
Comprehensive (loss) income	$ (42,895)	$ 13,314	$ 9,942