OTHER OPERATING STATEMENT DATA - DEFERRED ACQUISITION COSTS (DETAILS) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
Balance, beginning of year	$ 629.7	$ 797.1	$ 999.6
Additions	222.8	191.7	216.7
Amortization	(204.3)	(195.5)	(183.7)
Amounts related to fair value adjustment of fixed maturities, available for sale	315.9	(163.6)	(235.5)
Other	4.0	0	0
Balance, end of year	$ 968.1	$ 629.7	$ 797.1