Annual report pursuant to Section 13 and 15(d)

DISCONTINUED OPERATIONS (Details)

v2.4.0.8
DISCONTINUED OPERATIONS (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2013
Sonoma [Member]
Dec. 31, 2012
Sonoma [Member]
Dec. 31, 2011
Sonoma [Member]
Jul. 10, 2012
Sonoma [Member]
Asia Pacific Coal [Member]
Dec. 31, 2013
Income (Loss) From Discontinued Operations [Member]
Sonoma [Member]
Dec. 31, 2012
Income (Loss) From Discontinued Operations [Member]
Sonoma [Member]
Dec. 31, 2011
Income (Loss) From Discontinued Operations [Member]
Sonoma [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                                    
Percentage Of Ownership Interests                             45.00%      
Statements of Consolidated Operations                                    
Disposal Group, Including Discontinued Operation, Revenue                       $ 0 $ 151.6 $ 230.4        
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax                               0 38.0 0
Discontinued Operation, Tax (Expense) Benefit from Provision for (Gain) Loss on Disposal                                 8.1  
INCOME and GAIN ON SALE FROM DISCONTINUED OPERATIONS, net of tax 0 2.0 0 0 30.8 (2.7) 2.3 5.5 2.0 35.9 20.1 2.0 35.9 38.6   2.0 (2.1) 38.6
Discontinued Operation, Tax Effect of Discontinued Operation                                 $ 2.4 $ 12.4