Condensed Consolidated Statements of Operations And Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Jan. 01, 2023	Dec. 31, 2023	Jan. 01, 2023
Income Statement [Abstract]
Net sales	$ 136,917	$ 136,212	$ 275,761	$ 315,731
Cost of sales	135,281	144,212	274,700	317,168
Gross profit (loss)	1,636	(8,000)	1,061	(1,437)
Selling, general and administrative expenses	12,408	11,748	24,017	23,521
Provision (benefit) for bad debts	1,289	(156)	1,080	18
Restructuring costs	5,101		5,101
Other operating expense (income), net	481	226	535	(463)
Operating loss	(17,643)	(19,818)	(29,672)	(24,513)
Interest income	(697)	(514)	(1,278)	(1,061)
Interest expense	2,613	1,889	5,098	3,136
Equity in earnings of unconsolidated affiliates	(93)	(86)	(293)	(381)
Loss before income taxes	(19,466)	(21,107)	(33,199)	(26,207)
Provision (benefit) for income taxes	380	(3,070)	(83)	(336)
Net loss	$ (19,846)	$ (18,037)	$ (33,116)	$ (25,871)
Net loss per common share:
Basic	$ (1.1)	$ (1)	$ (1.83)	$ (1.44)
Diluted	$ (1.1)	$ (1)	$ (1.83)	$ (1.44)
Statement of Comprehensive Income [Abstract]
Net loss	$ (19,846)	$ (18,037)	$ (33,116)	$ (25,871)
Other comprehensive income (loss):
Foreign currency translation adjustments	5,026	3,447	(514)	(2,461)
Other comprehensive income (loss), net	5,026	3,447	(514)	(2,461)
Comprehensive loss	$ (14,820)	$ (14,590)	$ (33,630)	$ (28,332)