PROPERTY, PLANT AND EQUIPMENT (Narrative) (Details) - USD ($) |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
Property, Plant and Equipment [Line Items] | |||
Depreciation | $ 106,800,000 | $ 119,200,000 | $ 173,000,000 |
Tangible Asset Impairment Charges | 0 | 0 | 537,800,000 |
Depletion | $ 3,800,000 | $ 7,400,000 | 79,600,000 |
Land Rights And Mineral Rights [Member] | |||
Property, Plant and Equipment [Line Items] | |||
Tangible Asset Impairment Charges | $ 297.2 |
X | ||||||||||
- Definition The noncash expense charged against earnings to recognize the consumption of natural resources. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
X | ||||||||||
- Definition The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Details
|