INVENTORIES (Detail) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Inventory, Net [Abstract]
Raw materials	$ 289,576	$ 288,353
Work-in-process	140,675	130,522
Finished goods	160,682	146,666
Inventoried costs related to U.S. Government and other long-term contracts, net of progress payments	49,709	49,556
Inventories, net	$ 640,642	$ 615,097