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REVENUE RECOGNITION (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
REVENUE RECOGNITION (Details) - USD ($) $ in Thousands	Sep. 26, 2026	Sep. 27, 2025	Sep. 26, 2026	Sep. 27, 2025	Dec. 27, 2025
REVENUE RECOGNITION
Contract assets	$ 303,996		$ 303,996		$ 266,922
Total contract liabilities	65,240		65,240		52,475
Contract liabilities	64,911		64,911		52,013
Revenue recognized from contract liability	5,520	$ 44,525	44,706	$ 101,468
Remaining performance obligation	329		329
Net sales	$ 1,103,801	1,045,980	$ 3,251,687	3,065,842
Minimum
REVENUE RECOGNITION
Expected timing of performance obligation satisfaction	12 years		12 years
Maximum
REVENUE RECOGNITION
Expected timing of performance obligation satisfaction	36 months		36 months
Location, Statement of Financial Position, Balance [Axis]: us-gaap:ContractWithCustomerLiabilityCurrent
REVENUE RECOGNITION
Contract liabilities	$ 64,911		$ 64,911		52,013
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent
REVENUE RECOGNITION
Contract liabilities, noncurrent	329		329		$ 462
Infrastructure
REVENUE RECOGNITION
Net sales	879,586	806,562	2,559,484	2,273,145
Agriculture
REVENUE RECOGNITION
Net sales	224,215	239,418	692,203	792,697
Point in Time
REVENUE RECOGNITION
Net sales	609,390	652,041	1,864,217	1,979,468
Point in Time \| Infrastructure
REVENUE RECOGNITION
Net sales	394,116	421,863	1,198,250	1,211,587
Point in Time \| Agriculture
REVENUE RECOGNITION
Net sales	215,274	230,178	665,967	767,881
Over Time
REVENUE RECOGNITION
Net sales	494,411	393,939	1,387,470	1,086,374
Over Time \| Infrastructure
REVENUE RECOGNITION
Net sales	485,470	384,699	1,361,234	1,061,558
Over Time \| Agriculture
REVENUE RECOGNITION
Net sales	$ 8,941	$ 9,240	$ 26,236	$ 24,816