Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2015

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary Of Aggregate Contractual Or Notional Amounts And Estimated Fair Values

A summary of the aggregate contractual or notional amounts and estimated fair values related to derivative financial instruments at December 31, 2015 and 2014 is as follows:

	Contractual/ Notional Amount		Balance Sheet Location	Estimated Fair Value
				Asset			(Liability)
December 31, 2015
Hedging instruments
Interest rate swaps - fixed to floating	$	1,385.0	Other assets/other liabilities	$	7.0		$	(0.8	)
Interest rate swaps - forward starting pay fixed	4,650.0		Other assets/other liabilities	15.7			(90.9		)
Subtotal hedging	6,035.0		Subtotal hedging	22.7			(91.7		)
Non-hedging instruments
Interest rate swaps	271.7		Equity securities	1.2			(6.0		)
Options	16,917.4		Other assets/other liabilities	305.7			(332.1		)
Futures	—		Equity securities	0.1			(0.2		)
Subtotal non-hedging	17,189.1		Subtotal non-hedging	307.0			(338.3		)
Total derivatives	$	23,224.1	Total derivatives	329.7			(430.0		)
			Amounts netted	(170.6		)	170.6
			Net derivatives	$	159.1		$	(259.4	)
December 31, 2014
Hedging instruments
Interest rate swaps - fixed to floating	$	1,185.0	Other assets/other liabilities	$	2.6		$	(7.8	)
Non-hedging instruments
Derivatives embedded in convertible fixed maturity securities	287.0		Fixed maturity securities	98.7			—
Interest rate swaps	97.9		Equity securities	—			(9.4		)
Options	12,208.5		Other assets/other liabilities	428.0			(458.4		)
Futures	—		Equity securities	0.5			(1.5		)
Subtotal non-hedging	12,593.4		Subtotal non-hedging	527.2			(469.3		)
Total derivatives	$	13,778.4	Total derivatives	529.8			(477.1		)
			Amounts netted	(216.7		)	216.7
			Net derivatives	$	313.1		$	(260.4	)

Summary Of Outstanding Fair Value Hedges

A summary of our outstanding fair value hedges at December 31, 2015 and 2014 is as follows:

Type of Fair Value Hedges	Year Entered Into	Outstanding Notional Amount				Interest Rate Received		Expiration Date
		2015		2014
Interest rate swap	2015	$	200.0	$	—	4.350	%	August 15, 2020
Interest rate swap	2014	150.0		150.0		4.350		August 15, 2020
Interest rate swap	2013	10.0		10.0		4.350		August 15, 2020
Interest rate swap	2012	200.0		200.0		4.350		August 15, 2020
Interest rate swap	2012	625.0		625.0		1.875		January 15, 2018
Interest rate swap	2012	200.0		200.0		2.375		February 15, 2017
Total notional amount outstanding		$	1,385.0	$	1,185.0

Effect Of Fair Value Hedges On Income Statement

A summary of the effect of fair value hedges on our income statement for the years ended December 31, 2015, 2014 and 2013 is as follows:

Type of Fair Value Hedges	Income Statement Location of Hedge Gain	Hedge Gain Recognized		Hedged Item	Income Statement Location of Hedged Item Loss	Hedged Item Loss Recognized
Year ended December 31, 2015
Interest rate swaps	Interest expense	$	12.1	Fixed rate debt	Interest expense	$	(12.1	)
Year ended December 31, 2014
Interest rate swaps	Interest expense	$	25.5	Fixed rate debt	Interest expense	$	(25.5	)
Year ended December 31, 2013
Interest rate swaps	Interest expense	$	31.5	Fixed rate debt	Interest expense	$	(31.5	)

Effect Of Cash Flow Hedges On Financial Statements

A summary of the effect of cash flow hedges on our financial statements for the years ended December 31, 2015, 2014 and 2013 is as follows:

	Effective Portion
	Pretax Hedge Loss Recognized in Other Comprehensive Income (Loss)			Income Statement Location of Loss Reclassification from Accumulated Other Comprehensive Income	Hedge Loss Reclassified from Accumulated Other Comprehensive Income			Ineffective Portion
Type of Cash Flow Hedge								Income Statement Location of Loss Recognized	Hedge Loss Recognized
Year ended December 31, 2015
Forward starting pay fixed swaps	$	(75.2	)	Interest expense	$	(5.5	)	None	$	—
Year ended December 31, 2014
Forward starting pay fixed swaps	$	—		Interest expense	$	(5.0	)	None	$	—
Year ended December 31, 2013
Forward starting pay fixed swaps	$	—		Interest expense	$	(4.6	)	None	$	—

Effect Of Non-Hedging Derivatives On Income Statement And Included In Net Realized Gains (Losses) On Investments

Non-Hedging Derivatives

A summary of the effect of non-hedging derivatives on our income statement for the years ended December 31, 2015, 2014 and 2013 is as follows:

Type of Non-hedging Derivatives	Income Statement Location of Gain (Loss) Recognized	Derivative Gain (Loss) Recognized
Year ended December 31, 2015
Derivatives embedded in convertible fixed maturity securities	Net realized gains on investments	$	(22.2	)
Interest rate swaps	Net realized gains on investments	(1.9		)
Options	Net realized gains on investments	34.7
Futures	Net realized gains on investments	(0.1		)
Swaptions	Net realized gains on investments	(0.1		)
Total		$	10.4
Year ended December 31, 2014
Derivatives embedded in convertible fixed maturity securities	Net realized gains on investments	$	11.6
Interest rate swaps	Net realized gains on investments	(11.6		)
Options	Net realized gains on investments	(54.6		)
Futures	Net realized gains on investments	(10.0		)
Swaptions	Net realized gains on investments	1.3
Total		$	(63.3	)
Year ended December 31, 2013
Derivatives embedded in convertible fixed maturity securities	Net realized gains on investments	$	31.5
Interest rate swaps	Net realized gains on investments	2.2
Options	Net realized gains on investments	(111.7		)
Futures	Net realized gains on investments	22.3
Swaptions	Net realized gains on investments	$	3.0
Total		$	(52.7	)