PENSION AND OTHER POSTRETIREMENT BENEFITS - Schedule of Net Defined Benefit Pension and Other Postretirement Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 24, 2023	Sep. 25, 2022	Sep. 24, 2023	Sep. 25, 2022
Pension Benefits
Change in projected benefit obligation:
Interest cost	$ 2,821	$ 1,661	$ 7,918	$ 4,885
Estimated return on plan assets	(2,596)	(2,519)	(7,349)	(7,533)
Settlement loss	0	229	0	1,396
Expenses paid from assets	54	59	200	247
Amortization of net loss	261	342	701	910
Amortization of past service cost	5	4	13	13
Net costs	545	(224)	1,483	(82)
Other Benefits
Change in projected benefit obligation:
Interest cost	14	5	36	15
Estimated return on plan assets	0	0	0	0
Settlement loss	0	0	0	0
Expenses paid from assets	0	0	0	0
Amortization of net loss	0	0	0	0
Amortization of past service cost	0	0	0	0
Net costs	$ 14	$ 5	$ 36	$ 15