INCOME TAXES (Deferred Tax Assets and Liabilties) (Detail) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets:
Capitalized R&D	$ 60,818	$ 39,463
Operating lease liabilities	40,840	32,041
Inventories, net	23,926	24,282
Incentive compensation	11,011	9,314
Environmental reserves	9,324	8,949
Net operating loss	6,431	8,348
Other	34,264	30,417
Total deferred tax assets	186,614	152,814
Deferred tax liabilities:
Goodwill	117,340	110,543
Intangible Assets	62,277	53,551
Net pension (liability)/asset	46,828	37,870
Operating lease right-of-use assets, net	38,741	30,327
Withholding Taxes	13,017	16,120
Depreciation	14,880	15,339
Contract revenue recognition	15,256	5,297
Other	3,776	2,863
Total deferred tax liabilities	312,115	271,910
Valuation allowance	4,988	4,892
Deferred Tax Liabilities, Net	$ 130,489	$ 123,988