PROPERTY, PLANT AND EQUIPMENT, NET (Details) - USD ($) $ in Millions |
Jun. 30, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Property, plant and equipment | ||
| Property, plant and equipment, at cost | $ 3,119.3 | $ 3,070.4 |
| Less: accumulated depreciation | 1,477.9 | 1,404.7 |
| Property, plant and equipment, net | 1,641.4 | 1,665.7 |
| Chemical manufacturing plants | ||
| Property, plant and equipment | ||
| Property, plant and equipment, at cost | 1,408.1 | 1,398.5 |
| Machinery and equipment | ||
| Property, plant and equipment | ||
| Property, plant and equipment, at cost | 1,246.9 | 1,198.7 |
| Buildings | ||
| Property, plant and equipment | ||
| Property, plant and equipment, at cost | 197.3 | 202.8 |
| Land and land improvements | ||
| Property, plant and equipment | ||
| Property, plant and equipment, at cost | 178.2 | 185.7 |
| Construction-in-progress | ||
| Property, plant and equipment | ||
| Property, plant and equipment, at cost | $ 88.8 | $ 84.7 |