SEGMENT INFORMATION (Details) $ in Thousands	12 Months Ended
	Dec. 28, 2025 USD ($) segment	Dec. 29, 2024 USD ($)	Dec. 31, 2023 USD ($)
Revenues from External Customers and Long-Lived Assets [Line Items]
NumberOfReportableSegmentsDisclosedByDefinitionFlag	true
Number of reportable segments aggregated from operating segments | segment	1
Revenue from services	$ 1,615,997	$ 1,567,393	$ 1,906,243
Cost of services	1,248,155	1,161,000	1,400,184
Selling, general and administrative expense	371,087	410,870	494,603
Total segment profit	35,638	33,054	60,491
Goodwill and intangible asset impairment charge	(200)	(59,674)	(9,485)
COVID-19 government subsidies, net of fees			525
Depreciation and amortization (inclusive of depreciation included in cost of services)	(28,852)	(29,561)	(25,821)
Loss from operations	(46,634)	(92,775)	(23,850)
Interest and other income (expense), net	1,003	4,251	3,205
Loss before tax expense (benefit)	$ (45,631)	$ (88,524)	$ (20,645)
Revenue from sales, percent	100.00%	100.00%	100.00%
Workforce reduction costs	$ (9,361)	$ (7,329)	$ (5,086)
Acquisition-Related and integration Costs Associated with a Business Combination	(932)
Less impairment charge	(18,366)	0	0
Total long-lived assets	$ 107,162	$ 136,936
Long-lived assets %	100.00%	100.00%
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment
Revenues from External Customers and Long-Lived Assets [Line Items]
Corporate unallocated	$ (23,884)	$ (21,887)	(31,507)
Third-party processing fees for hiring tax credits	(150)	(240)	(253)
Amortization of software as a service assets	(4,394)	(6,162)	(4,117)
Goodwill and intangible asset impairment charge	(200)	(59,674)
PeopleReady technology upgrade costs		(8,807)	(1,342)
Executive leadership transition costs			(5,788)
COVID-19 government subsidies, net of fees	8,573	9,652
Other costs, net	(4,706)	(1,821)	(417)
Depreciation and amortization (inclusive of depreciation included in cost of services)	(28,852)	(29,561)	(25,821)
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from services	$ 1,514,778	$ 1,458,501	$ 1,750,427
Revenue from sales, percent	93.70%	93.10%	91.80%
Total long-lived assets	$ 96,595	$ 127,231
Long-lived assets %	90.10%	92.90%
International operations
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from services	$ 101,219	$ 108,892	$ 155,816
Revenue from sales, percent	6.30%	6.90%	8.20%
Total long-lived assets	$ 10,567	$ 9,705
Long-lived assets %	9.90%	7.10%
PeopleReady | Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from services	$ 883,887	$ 868,549	$ 1,096,318
Selling, general and administrative expense	215,767	247,906	297,654
Total segment profit	6,534	5,783	26,606
PeopleReady | Service | Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Cost of services	661,586	614,860	772,058
PeopleManagement | Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from services	544,448	542,201	580,591
Selling, general and administrative expense	66,672	70,986	84,936
Total segment profit	17,772	15,119	6,963
PeopleManagement | Service | Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Cost of services	460,004	$ 456,096	$ 488,692
PeopleManagement | Customer A | Revenue Benchmark | Customer Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage		11.40%	12.30%
PeopleScout | Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from services	187,662	$ 156,643	$ 229,334
Selling, general and administrative expense	51,146	53,007	64,861
Total segment profit	11,332	12,152	26,922
PeopleScout | Service | Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Cost of services	$ 125,184	$ 91,484	$ 137,551
PeopleScout | Customer A | Revenue Benchmark | Customer Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	17.30%		11.80%