Quarterly report pursuant to Section 13 or 15(d)

SHAREHOLDERS' EQUITY (Details)

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SHAREHOLDERS' EQUITY (Details)
 3 Months Ended 6 Months Ended 9 Months Ended
Aug. 16, 2016
USD ($)
$ / shares
Jun. 29, 2016
$ / shares
Mar. 14, 2016
USD ($)
$ / shares
Sep. 30, 2015
$ / shares
shares
Jun. 30, 2016
USD ($)
shares
Sep. 30, 2016
Sep. 30, 2015
$ / shares
shares
May 05, 2016
USD ($)
Equity, Class of Treasury Stock [Line Items]                
Depositary shares issued (in shares) | shares         24,000,000      
Increase in Dividends, Per Share   $ 0.08            
2015 Share Repurchase Program                
Equity, Class of Treasury Stock [Line Items]                
Purchase of common stock shares | shares       6,800,000     20,500,000  
Purchase of common stock, average price per share (in usd per share)       $ 10.66     $ 10.76  
Series C Preferred Stock                
Equity, Class of Treasury Stock [Line Items]                
Depository share, interest in preferred stock           0.025    
Preferred Stock, fixed rate         5.875%      
Preferred Stock, par value (in dollars per share) $ 0.01              
Preferred Stock, liquidation value per share (in dollars per share) 1,000              
Depositary shares, liquidation value per share (in dollars per share) $ 25              
Redemption period 90 days              
Series D Preferred Stock                
Equity, Class of Treasury Stock [Line Items]                
Depository share, interest in preferred stock           0.025    
Preferred stock | $ $ 100,000,000   $ 400,000,000         $ 200,000,000
Depositary shares issued (in shares) | shares         4,000,000      
Preferred Stock, fixed rate         6.25%      
Preferred Stock, par value (in dollars per share)     $ 0.01          
Preferred Stock, liquidation value per share (in dollars per share)     1,000          
Depositary shares, liquidation value per share (in dollars per share)     $ 25          
Redemption period     90 days          
Stock issuance costs | $         $ 15,000,000