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INVENTORIES (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 270,066 $ 286,953
Work-in-process 167,100 134,417
Finished goods 335,346 355,337
Other 14,610 12,793
Inventory, gross, total 787,122 789,500
Adjustment to value inventory at cost on the LIFO method (109,588) (156,495)
Inventories $ 677,534 $ 633,005