INVENTORIES (Detail) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Inventory, Net [Abstract]
Raw materials	$ 328,697	$ 288,353
Work-in-process	168,233	130,522
Finished goods	168,056	146,666
Inventory costs related to U.S. Government and other long-term contracts, net of progress payments	50,863	49,556
Inventories, net	$ 715,849	$ 615,097