Quarterly report pursuant to Section 13 or 15(d)

DISCONTINUED OPERATIONS (Details)

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DISCONTINUED OPERATIONS (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
INCOME (LOSS) FROM DISCONTINUED OPERATIONS, net of tax $ (2.7) $ (16.8) $ 5.1 $ 3.7  
Sonoma [Member]
          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Cash and cash equivalents 3.2   3.2   2.3
Accounts receivable 10.1   10.1   16.3
Inventories 20.3   20.3   18.8
Other current assets 8.1   8.1   2.0
Property, plant and equipment, net 114.9   114.9   120.5
Assets held for sale 156.6   156.6   159.9
Accounts payable 19.4   19.4   15.6
Accrued expenses 1.1   1.1   1.5
Environmental and mine closure obligations 9.2   9.2   8.8
Liabilities held for sale 29.7   29.7   25.9
REVENUES FROM PRODUCT SALES AND SERVICES - Product 42.6 53.7 141.6 171.6  
INCOME (LOSS) FROM DISCONTINUED OPERATIONS, net of tax $ (2.7) $ 0.7 $ 5.2 $ 22.4