Quarterly report pursuant to Section 13 or 15(d)

CASH FLOW INFORMATION (Narrative) (Details)

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CASH FLOW INFORMATION (Narrative) (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Jun. 03, 2013
Mar. 01, 2013
Dec. 03, 2012
Aug. 31, 2012
Jun. 01, 2012
Mar. 01, 2012
May 07, 2013
Preferred Class A [Member]
Mar. 20, 2013
Preferred Class A [Member]
May 07, 2013
Depositary Share [Member]
Mar. 20, 2013
Depositary Share [Member]
Dividends Payable [Line Items]                            
Depositary Share Interest in a Share of 7% Series A Mandatory Convertible Preferred Stock, Class A     0.025                      
Series A Mandatory Convertible Preferred Stock, Class A, Percentage     0.0700                      
Dividends payable, per share         $ 0.15 $ 0.15 $ 0.625 $ 0.625 $ 0.625 $ 0.28 $ 17.50 $ 13.6111 $ 0.44 $ 0.34
Preferred stock cash dividend $ 12.9 $ 0 $ 22.8 $ 0