Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Jan. 01, 2022	Jan. 02, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (4,082)	$ (1,614)
Other comprehensive income, net of tax:
Net change in defined benefit pension plan	221	353
Total other comprehensive income	221	353
Comprehensive loss	$ (3,861)	$ (1,261)