PENSION AND OTHER POST-RETIREMENT BENEFIT PLANS - SCHEDULE OF COMPONENTS OF NET PERIODIC BENEFIT COST (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2024	Oct. 01, 2023	Sep. 29, 2024	Oct. 01, 2023
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 3,827	$ 3,747	$ 11,512	$ 11,269
Interest cost	9,662	10,259	28,995	30,819
Expected return on plan assets	(12,800)	(12,275)	(38,407)	(37,041)
Amortization of prior service credit	(1,374)	(1,414)	(4,120)	(4,243)
Amortization of net loss (gain)	3,814	4,974	11,435	14,961
Non-cash pre tax settlement charge	0	943	0	5,332
Total net periodic benefit cost	3,129	6,234	9,415	21,097
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	33	57	100	166
Interest cost	1,215	1,794	3,646	5,984
Expected return on plan assets	0	0	0	0
Amortization of prior service credit	(38)	(13)	(113)	(13)
Amortization of net loss (gain)	138	(242)	416	(901)
Non-cash pre tax settlement charge	0	926	0	926
Total net periodic benefit cost	$ 1,348	$ 2,522	$ 4,049	$ 6,162