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. 26, 2022	Jun. 27, 2021	Jun. 26, 2022	Jun. 27, 2021
Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Interest cost	$ 1,716	$ 987	$ 3,224	$ 2,437
Estimated return on plan assets	(2,611)	(1,815)	(5,014)	(4,456)
Settlement loss	1,167	837	1,167	837
Expenses paid from assets	73	91	188	169
Amortization of net loss	341	381	568	946
Amortization of past service cost	4	3	9	8
Net costs	690	484	142	(59)
Other Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Interest cost	6	3	10	8
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	1
Amortization of past service cost	0	0	0	0
Net costs	$ 6	$ 3	$ 10	$ 9