Quarterly report pursuant to Section 13 or 15(d)

SUBSEQUENT EVENTS Subsequent Events (Narrative) (Details)

v3.2.0.727
SUBSEQUENT EVENTS Subsequent Events (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended
Sep. 30, 2015
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Aug. 03, 2015
May. 01, 2015
Feb. 02, 2015
Nov. 03, 2014
Aug. 01, 2014
May. 01, 2014
Subsequent Event [Line Items]                      
Dividends, Preferred Stock   $ 0.0 $ 12.8 $ 12.8 $ 25.6            
Preferred Class A [Member]                      
Subsequent Event [Line Items]                      
Dividends payable, per share             $ 17.50 $ 17.50 $ 17.50 $ 17.50 $ 17.50
Dividends, Preferred Stock   $ 0.0 $ 12.8 $ 12.8 $ 25.6            
Preferred Class A [Member] | Dividend Declared [Member]                      
Subsequent Event [Line Items]                      
Dividends payable, per share           $ 17.50          
Dividends, Preferred Stock $ (12.8)                    
Depositary Share [Member]                      
Subsequent Event [Line Items]                      
Dividends payable, per share             $ 0.44 $ 0.44 $ 0.440 $ 0.440 $ 0.440
Depositary Share [Member] | Dividend Declared [Member]                      
Subsequent Event [Line Items]                      
Dividends payable, per share           $ 0.44