COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2025	Dec. 29, 2024	Dec. 31, 2023	Mar. 31, 2025	May 26, 2024	Mar. 27, 2023
Workers' Compensation Commitments [Line Items]
Cash collateral held by workers’ compensation insurance carriers	$ 3,376	$ 18,082
Cash and cash equivalents held in Trust	11,424	15,406
Investments held in Trust	70,601	99,506
Letters of credit	3,385	2,605
Surety bonds	21,116	19,831
Total collateral commitments	$ 109,902	155,430
Surety bonds annual fee limit, % of bond amount	2.00%
Remaining lease terms	11 years
Impairment, Long-Lived Asset, Held-for-Use	$ 18,366	0	$ 0
Weighted Average Cost of Capital	9.00%
Renewal term	10 years
Operating lease costs	$ 13,144	14,447
Short-term lease costs (1)	6,445	7,508
Other lease costs	3,288	2,841
Total lease costs	$ 22,877	$ 24,796
Weighted average remaining lease term in years	6 years 9 months 18 days	7 years 2 months 12 days
Weighted average discount rate	5.10%	5.10%
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2026	$ 13,880
2027	12,245
2028	10,311
2029	7,838
2030	4,853
Thereafter	20,256
Total undiscounted future non-cancelable minimum lease payments	69,383
Less: Imputed interest	11,381
Present value of lease liabilities	58,002
Pending lease	100
Purchase obligation	19,400
Purchase obligation, due in next twelve months	11,600
Purchase obligation, to be paid, year two	4,300
Purchase obligation, to be paid, year three	2,400
Purchase obligation, to be paid, year four	1,000
Purchase Obligation, to be Paid, Year Five	100
Chicago Support Center
Workers' Compensation Commitments [Line Items]
Carrying value of asset group	23,500
Property, Plant and Equipment
Workers' Compensation Commitments [Line Items]
Impairment, Long-Lived Asset, Held-for-Use	$ 5,400
Minimum
Workers' Compensation Commitments [Line Items]
Surety bonds review and renewal period if elected	1 year
Weighted Average Cost of Capital				14.50%	13.50%	13.00%
Maximum
Workers' Compensation Commitments [Line Items]
Surety bonds review and renewal period if elected	4 years
Weighted Average Cost of Capital				16.50%	14.50%	13.50%