|
INVENTORIES - Components of Inventories (Detail) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2015
|
Dec. 31, 2014
|
|---|---|---|
| Inventory Disclosure [Abstract] | ||
| Raw materials and supplies | $ 136,958 | $ 172,214 |
| Work-in-process and finished goods | 364,654 | 332,573 |
| LIFO reserve | (25,893) | (30,481) |
| Total inventories, net | $ 475,719 | $ 474,306 |