GOODWILL AND INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2025	Dec. 29, 2024	Dec. 31, 2023	Mar. 31, 2025	Jan. 31, 2025	May 26, 2024	Mar. 27, 2023
Goodwill [Roll Forward]
Goodwill before impairment	$ 328,070	$ 328,567
Accumulated impairment charge	(303,527)	(244,453)
Goodwill, net	24,543	84,114
Foreign currency translation	615	(497)
Goodwill before impairment	346,023	328,070	$ 328,567
Accumulated impairment charge	(303,527)	(303,527)	(244,453)
Goodwill, net	42,496	24,543	84,114
Finite-Lived Intangible Assets, Net [Abstract]
Gross carrying amount	16,705	4,269
Accumulated amortization	(3,210)	(3,206)
Finite-Lived Intangible Assets, Net	13,495	1,063
Amortization of intangible assets	2,600	4,100	5,200
Estimated future amortization of finite-lived intangible assets [Abstract]
2026	2,602
2027	2,602
2028	2,602
2029	2,602
2030	2,602
Thereafter	485
Total future amortization	$ 13,495	1,063
Weighted Average Cost of Capital	9.00%
Reporting unit, percentage of fair value in excess of carrying amount	20.00%
Goodwill, impairment charge		$ (59,074)
Goodwill, Impairment Loss, Statement of Income or Comprehensive Income [Extensible Enumeration]		Goodwill and intangible asset impairment charge
Goodwill	$ 42,496	$ 24,543	84,114
Indefinite-lived trade name/trademarks	4,600	4,800
Goodwill, Acquired During Period	17,338
Healthcare Staffing Professionals, Inc.
Finite-Lived Intangible Assets, Net [Abstract]
Gross carrying amount					$ 14,950
Estimated future amortization of finite-lived intangible assets [Abstract]
Goodwill					17,338
PeopleScout MSP
Goodwill [Roll Forward]
Goodwill, net	800
Goodwill, net		800
Estimated future amortization of finite-lived intangible assets [Abstract]
Goodwill		800		$ 800
PeopleScout RPO
Estimated future amortization of finite-lived intangible assets [Abstract]
Goodwill				$ 22,400
HSP
Goodwill [Roll Forward]
Goodwill, net	17,300
Estimated future amortization of finite-lived intangible assets [Abstract]
Reporting unit, percentage of fair value in excess of carrying amount				5.00%
Goodwill	17,300
Minimum
Estimated future amortization of finite-lived intangible assets [Abstract]
Weighted Average Cost of Capital				14.50%		13.50%	13.00%
Maximum
Estimated future amortization of finite-lived intangible assets [Abstract]
Weighted Average Cost of Capital				16.50%		14.50%	13.50%
Customer relationships
Finite-Lived Intangible Assets, Net [Abstract]
Gross carrying amount	14,300	2,637
Accumulated amortization	(2,185)	(2,448)
Finite-Lived Intangible Assets, Net	12,115	189
Estimated future amortization of finite-lived intangible assets [Abstract]
Total future amortization	12,115	189
Customer relationships | Healthcare Staffing Professionals, Inc.
Finite-Lived Intangible Assets, Net [Abstract]
Gross carrying amount	14,300				$ 14,300
Estimated future amortization of finite-lived intangible assets [Abstract]
Weighted Average Cost of Capital					17.00%
Trade names/trademarks
Finite-Lived Intangible Assets, Net [Abstract]
Gross carrying amount	2,405	1,632
Accumulated amortization	(1,025)	(758)
Finite-Lived Intangible Assets, Net	1,380	874
Estimated future amortization of finite-lived intangible assets [Abstract]
Total future amortization	1,380	874
Trade names/trademarks | Healthcare Staffing Professionals, Inc.
Finite-Lived Intangible Assets, Net [Abstract]
Gross carrying amount	700				$ 650
Estimated future amortization of finite-lived intangible assets [Abstract]
Weighted Average Cost of Capital					17.00%
PeopleReady
Goodwill [Roll Forward]
Goodwill before impairment	105,284	105,284
Accumulated impairment charge	(105,284)	(46,210)
Goodwill, net	0	59,074
Foreign currency translation	0	0
Goodwill before impairment	105,284	105,284	105,284
Accumulated impairment charge	(105,284)	(105,284)	(46,210)
Goodwill, net	0	0	59,074
Estimated future amortization of finite-lived intangible assets [Abstract]
Goodwill, impairment charge		59,074
Goodwill	0	0	59,074
Goodwill, Acquired During Period	0
PeopleManagement
Goodwill [Roll Forward]
Goodwill before impairment	81,092	81,092
Accumulated impairment charge	(79,601)	(79,601)
Goodwill, net	1,491	1,491
Foreign currency translation	0	0
Goodwill before impairment	81,092	81,092	81,092
Accumulated impairment charge	(79,601)	(79,601)	(79,601)
Goodwill, net	1,491	1,491	1,491
Estimated future amortization of finite-lived intangible assets [Abstract]
Goodwill, impairment charge		0
Goodwill	1,491	1,491	1,491
Indefinite-lived trade name/trademarks	$ 2,500	2,700	3,300
Impairment, Intangible Asset, Statement of Income or Comprehensive Income [Extensible Enumeration]	Goodwill and intangible asset impairment charge
Impairment charge		600	$ 600
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]			Goodwill and intangible asset impairment charge
Goodwill, Acquired During Period	$ 0
Impairment of Intangible Assets (Excluding Goodwill)	200
PeopleScout
Estimated future amortization of finite-lived intangible assets [Abstract]
Goodwill, impairment charge		(59,100)	$ (8,900)
Indefinite-lived trade name/trademarks	2,100	2,100	2,100
PeopleSolutions
Goodwill [Roll Forward]
Goodwill before impairment	141,694	142,191
Accumulated impairment charge	(118,642)	(118,642)
Goodwill, net	23,052	23,549
Foreign currency translation	615	(497)
Goodwill before impairment	159,647	141,694	142,191
Accumulated impairment charge	(118,642)	(118,642)	(118,642)
Goodwill, net	41,005	23,052	23,549
Estimated future amortization of finite-lived intangible assets [Abstract]
Goodwill, impairment charge		0
Goodwill	41,005	$ 23,052	$ 23,549
Goodwill, Acquired During Period	$ 17,338