CASH FLOW INFORMATION (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	May. 01, 2015	Feb. 02, 2015	Nov. 03, 2014	Aug. 01, 2014	May. 01, 2014
Dividends Payable [Line Items]
Preferred stock cash dividend	$ 0.0	$ 12.8	$ 12.8	$ 25.6
Preferred Class A [Member]
Dividends Payable [Line Items]
Dividends payable, per share					$ 17.50	$ 17.50	$ 17.50	$ 17.50	$ 17.50
Preferred stock cash dividend	$ 0.0	$ 12.8	$ 12.8	$ 25.6
Depositary Share [Member]
Dividends Payable [Line Items]
Dividends payable, per share					$ 0.44	$ 0.44	$ 0.440	$ 0.440	$ 0.440