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. 28, 2025	Sep. 29, 2024	Sep. 28, 2025	Sep. 29, 2024
Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Interest cost	$ 1,607	$ 3,140	$ 4,675	$ 8,089
Estimated return on plan assets	(2,075)	(3,127)	(5,980)	(8,330)
Settlement losses (gains)	0	10,774	(1,611)	10,774
Expenses paid from assets	116	112	346	304
Amortization of net loss (gain)	(88)	259	(13)	594
Amortization of past service cost	4	4	13	13
Net costs (income)	(436)	11,162	(2,570)	11,444
Other Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Interest cost	13	13	35	35
Estimated return on plan assets	0	0	0	0
Settlement losses (gains)	0	0	0	0
Expenses paid from assets	0	0	0	0
Amortization of net loss (gain)	0	0	(1)	0
Amortization of past service cost	0	0	0	0
Net costs (income)	$ 13	$ 13	$ 34	$ 35