ASSETS AND LIABILITIES SUBJECT TO OFFSETTING DISCLOSURE REQUIREMENTS (Details) (Call option [Member], USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Call option [Member]
Offsetting Assets [Line Items]
Gross amounts of recognized assets	$ 98.3	$ 156.2
Gross amounts offset in the balance sheet	0	0
Net amounts of assets presented in the balance sheet	98.3	156.2
Gross amounts not offset in the balance sheet, Financial instruments	0	0
Gross amounts not offset in the balance sheet, Cash collateral received	0	0
Net amount	$ 98.3	$ 156.2