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. 29, 2025	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024
Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Interest cost	$ 1,581	$ 2,683	$ 3,068	$ 4,949
Estimated return on plan assets	(2,019)	(2,756)	(3,905)	(5,203)
Settlement gain	(1,611)	0	(1,611)	0
Expenses paid from assets	105	132	230	192
Amortization of net loss	159	199	75	335
Amortization of past service cost	5	5	9	9
Net costs (income)	(1,780)	263	(2,134)	282
Other Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Interest cost	13	13	22	22
Estimated return on plan assets	0	0	0	0
Settlement gain	0	0	0	0
Expenses paid from assets	0	0	0	0
Amortization of net loss	0	0	(1)	0
Amortization of past service cost	0	0	0	0
Net costs (income)	$ 13	$ 13	$ 21	$ 22