INCOME TAXES INCOME TAXES (Schedule of Components of Income Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Contingency [Line Items]
Current Federal Tax Expense (Benefit)	$ (11.1)	$ 8.2	$ (125.2)
Current State and Local Tax Expense (Benefit)	(0.5)	0.3	(0.6)
Current Foreign Tax Expense (Benefit)	(0.1)	0.9	11.7
Current Income Tax Expense (Benefit)	(11.7)	9.4	(114.1)
Deferred Federal Income Tax Expense (Benefit)	(0.5)	165.8	20.4
Deferred State and Local Income Tax Expense (Benefit)	0.0	0.0	(24.9)
Deferred Foreign Income Tax Expense (Benefit)	0.0	(5.9)	32.6
Deferred Income Tax Expense (Benefit)	0.0	159.8	(1,153.9)
Income Tax Expense (Benefit)	(12.2)	169.3	(86.0)
Deferred Provision (Benefit) [Member]
Income Tax Contingency [Line Items]
Deferred Income Tax Expense (Benefit)	$ (0.5)	$ 159.9	$ 28.1