PENSION AND OTHER POSTRETIREMENT BENEFITS - Schedule of Net Defined Benefit Pension and Other Postretirement Costs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 25, 2023	Jun. 30, 2024	Jun. 25, 2023
Pension Benefits
Change in projected benefit obligation
Interest cost	$ 2,683	$ 2,783	$ 4,949	$ 5,097
Estimated return on plan assets	(2,756)	(2,531)	(5,203)	(4,753)
Expenses paid from assets	132	52	192	146
Amortization of net loss	199	261	335	440
Amortization of past service cost	5	4	9	8
Net costs	263	569	282	938
Other Benefits
Change in projected benefit obligation
Interest cost	13	13	22	22
Estimated return on plan assets	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	$ 13	$ 13	$ 22	$ 22