Business Segment Information - Reconciliations of Segment Gross Profit to Consolidated Loss Before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 28, 2025	Dec. 29, 2024	Dec. 28, 2025	Dec. 29, 2024
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Gross profit	$ 3,611	$ 534	$ 6,998	$ 9,992
Selling, general and administrative expenses	9,713	12,921	21,661	24,763
Provision (benefit) for bad debts	119	(96)	50	216
Restructuring costs, net	785		1,853
Gain on sale of assets		(4,296)		(4,296)
Other operating expense (income), net	273	(431)	343	89
Operating loss	(7,279)	(7,564)	(16,909)	(10,780)
Interest income	(473)	(177)	(848)	(434)
Interest expense	1,802	2,398	3,805	4,905
Equity in loss of unconsolidated affiliate	146	262	49	251
Loss before income taxes	(8,754)	(10,047)	(19,915)	(15,502)
Americas [Member]
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Gross profit	(399)	(6,540)	(2,111)	(7,918)
Brazil [Member]
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Gross profit	1,056	3,786	3,717	11,723
Asia [Member]
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Gross profit	$ 2,954	$ 3,288	$ 5,392	$ 6,187