Annual report pursuant to Section 13 and 15(d)

INCOME TAXES INCOME TAXES (Schedule of Deferred Tax Assets and Liabilities by Location) (Details)

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INCOME TAXES INCOME TAXES (Schedule of Deferred Tax Assets and Liabilities by Location) (Details) - USD ($)
$ in Millions
Dec. 31, 2015
Dec. 31, 2014
Income Tax Contingency [Line Items]    
Deferred Tax Assets, Net $ 0.0 $ 165.8
Foreign [Member]    
Income Tax Contingency [Line Items]    
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent 0.0 9.7
Deferred Tax Liabilities, Net, Noncurrent 0.0 9.7
United States and Foreign [Member]    
Income Tax Contingency [Line Items]    
Deferred Tax Assets 0.0 175.5
Deferred Tax Liability 0.0 9.7
United States [Member]    
Income Tax Contingency [Line Items]    
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent 0.0 165.8
Deferred Tax Liabilities, Net, Noncurrent $ 0.0 $ 0.0