CAPITAL STOCK TRANSACTIONS CAPITAL STOCK TRANSACTIONS (Noncontrolling Interests) (Details) (USD $) In Millions, unless otherwise specified	3 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, 2010
Class of Stock [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 818.9				$ 518.8				$ 818.9	$ 518.8	$ 413.6	$ 312.9
Consolidation of noncontrolling interests									20.3	7.6
Net income	20.6	(2.7)	(1.3)	(2.6)	10.3	(4.1)	(1.0)	1.5	13.9	6.7	7.5
Noncontrolling Interest [Member]
Class of Stock [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	50.6				9.1				50.6	9.1	3.4	12.7
Consolidation of noncontrolling interests									20.3	7.6
Net income									$ 20.3	$ 2.5	$ 1.2