SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) $ in Millions	3 Months Ended												12 Months Ended
	Jun. 29, 2024 USD ($)	Mar. 30, 2024 USD ($)	Dec. 30, 2023 USD ($)	Sep. 30, 2023 USD ($)	Jul. 01, 2023 USD ($)	Apr. 01, 2023 USD ($)	Dec. 31, 2022 USD ($)	Oct. 01, 2022 USD ($)	Jul. 02, 2022 USD ($)	Apr. 02, 2022 USD ($)	Jan. 01, 2022 USD ($)	Oct. 02, 2021 USD ($)	Jun. 29, 2024 USD ($)	Jul. 01, 2023 USD ($)	Jul. 02, 2022 USD ($)	Jun. 29, 2024 MXN ($)	Jul. 01, 2023 MXN ($)	Jul. 02, 2022 MXN ($)	Aug. 14, 2020 USD ($)
Debt Disclosure [Line Items]
Operating income	$ 117,000	$ (575,000)	$ 3,948,000	$ 3,268,000	$ 4,223,000	$ 5,131,000	$ 3,608,000	$ 3,361,000	$ 2,261,000	$ 2,789,000	$ 1,651,000	$ 2,094,000	$ 6,758,000	$ 16,323,000	$ 8,795,000
Net income (loss)	(1,985,000)	$ (2,221,000)	$ 1,084,000	$ 335,000	1,062,000	$ 1,976,000	$ 967,000	$ 1,152,000	968,000	$ 1,007,000	$ 587,000	$ 815,000	(2,787,000)	5,157,000	3,377,000
Working capital	184,200,000												$ 184,200,000
Percentage of expected over aggregate annual insurance claims													125.00%
Notional amount																			$ 776,500
Long-term debt, net	112,600,000				115,400,000				$ 95,100,000				$ 112,600,000	115,400,000	$ 95,100,000
Long-term debt, net of unamortized financing costs	119,505,000												119,505,000
Long-term Debt
Debt Disclosure [Line Items]
Long-term debt, net of unamortized financing costs																$ 40.5	$ 58.2	$ 93.3
Equipment Term Loan Juarez
Debt Disclosure [Line Items]
Long-term debt, net of unamortized financing costs	5,800,000				$ 6,500,000								5,800,000	$ 6,500,000
Foreign currency forward contracts
Debt Disclosure [Line Items]
Notional amount	$ 12,500,000												$ 12,500,000