RESTRICTED CASH AND INVESTMENTS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2025	Dec. 29, 2024	Dec. 31, 2023
Restricted Cash and Investments [Line Items]
Cash collateral held by insurance carriers	$ 7,681	$ 22,387
Cash and cash equivalents held in Trust	11,424	15,406
Investments held in Trust	70,601	99,506
Company-owned life insurance policies	46,477	41,846
Other restricted cash and cash equivalents	405	771
Total restricted cash, cash equivalents and investments	136,588	179,916
Amortized cost	70,601	99,506
Gross unrealized gain	579	212
Gross unrealized losses	(164)	(1,126)
Fair value	71,016	98,592
Amortized cost
Total held-to-maturity investments	70,601	99,506
Fair value
Total held-to-maturity investments	71,016	98,592
Proceeds from company-owned life insurance	300	0	$ 1,662
Unrealized gains, net	4,931	4,940	$ 4,383
Municipal debt securities
Restricted Cash and Investments [Line Items]
Amortized cost	7,840	22,490
Gross unrealized gain	1	0
Gross unrealized losses	(5)	(135)
Fair value	7,836	22,355
Amortized cost
Total held-to-maturity investments	7,840	22,490
Fair value
Total held-to-maturity investments	7,836	22,355
Corporate debt securities
Restricted Cash and Investments [Line Items]
Amortized cost	49,967	64,313
Gross unrealized gain	519	144
Gross unrealized losses	(152)	(945)
Fair value	50,334	63,512
Amortized cost
Total held-to-maturity investments	49,967	64,313
Fair value
Total held-to-maturity investments	50,334	63,512
Agency mortgage-backed securities
Restricted Cash and Investments [Line Items]
Amortized cost	4,815	11,703
Gross unrealized gain	58	68
Gross unrealized losses	0	(17)
Fair value	4,873	11,754
Amortized cost
Total held-to-maturity investments	4,815	11,703
Fair value
Total held-to-maturity investments	4,873	11,754
U.S. government and agency securities
Restricted Cash and Investments [Line Items]
Amortized cost	7,979	1,000
Gross unrealized gain	1	0
Gross unrealized losses	(7)	(29)
Fair value	7,973	971
Amortized cost
Total held-to-maturity investments	7,979	1,000
Fair value
Total held-to-maturity investments	7,973	$ 971
Restricted Cash and Investments
Restricted Cash and Investments [Line Items]
Amortized cost	70,601
Fair value	71,016
Amortized cost
Due in one year or less	42,323
Due after one year through five years	28,278
Total held-to-maturity investments	70,601
Fair value
Due in one year or less	42,250
Due after one year through five years	28,766
Total held-to-maturity investments	$ 71,016