DISCONTINUED OPERATIONS - Financial Results (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 29, 2025	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue	$ 1,309	$ 1,601	$ 3,377	$ 3,319
Income from discontinued operations, net of income taxes			2,640	2,577
BGSF Professional \| Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue	40,268	42,411	82,619	86,630
Cost of services	28,024	28,377	57,015	58,501
Gross profit	12,244	14,034	25,604	28,129
Selling, general, and administrative expenses	10,000	10,828	19,908	21,582
Gain on contingent consideration	(450)	0	(450)	0
Depreciation and amortization	1,336	1,649	2,678	3,317
Income from discontinued operations	1,358	1,557	3,468	3,230
Interest (expense) benefit	(49)	44	(91)	89
Income from discontinued operations before taxes	1,309	1,601	3,377	3,319
Income tax expense	(183)	(280)	(737)	(742)
Income from discontinued operations, net of income taxes	$ 1,126	$ 1,321	$ 2,640	$ 2,577

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