Derivative Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2017

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 March 31, 2017 and December 31, 2016 is as follows:

	Contractual/ Notional Amount		Balance Sheet Location	Estimated Fair Value
				Asset			(Liability)
March 31, 2017
Hedging instruments
Interest rate swaps - fixed to floating	$	1,235.0	Other assets/other liabilities	$	1.0		$	(4.8	)
Interest rate swaps - forward starting pay fixed	4,775.0		Other assets/other liabilities	—			(12.6		)
Subtotal hedging	6,010.0		Subtotal hedging	1.0			(17.4		)
Non-hedging instruments
Interest rate swaps	126.8		Equity securities	4.4			—
Options	13,234.5		Other assets/other liabilities	315.2			(315.0		)
Futures	192.7		Equity securities	0.6			(0.5		)
Subtotal non-hedging	13,554.0		Subtotal non-hedging	320.2			(315.5		)
Total derivatives	$	19,564.0	Total derivatives	321.2			(332.9		)
			Amounts netted	(162.9		)	162.9
			Net derivatives	$	158.3		$	(170.0	)
December 31, 2016
Hedging instruments
Interest rate swaps - fixed to floating	$	1,385.0	Other assets/other liabilities	$	4.0		$	(0.7	)
Interest rate swaps - forward starting pay fixed	4,775.0		Other assets/other liabilities	528.8			(6.0		)
Subtotal hedging	6,160.0		Subtotal hedging	532.8			(6.7		)
Non-hedging instruments
Interest rate swaps	209.4		Equity securities	4.7			(0.2		)
Options	10,280.2		Other assets/other liabilities	220.7			(233.9		)
Futures	185.3		Equity securities	0.5			(1.1		)
Subtotal non-hedging	10,674.9		Subtotal non-hedging	225.9			(235.2		)
Total derivatives	$	16,834.9	Total derivatives	758.7			(241.9		)
			Amounts netted	(92.8		)	92.8
			Net derivatives	$	665.9		$	(149.1	)

Summary Of Outstanding Fair Value Hedges

A summary of our outstanding fair value hedges at March 31, 2017 and December 31, 2016 is as follows:

Type of Fair Value Hedges	Year Entered Into	Outstanding Notional Amount				Interest Rate Received		Expiration Date
		March 31,   2017		December 31, 2016
Interest rate swap	2017	$	50.0	$	—	4.350	%	August 15, 2020
Interest rate swap	2015	200.0		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		2.375		February 15, 2017
Total notional amount outstanding		$	1,235.0	$	1,385.0

Effect Of Fair Value Hedges On Income Statement

A summary of the effect of fair value hedges on our income statement for the three months ended March 31, 2017 and 2016 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
Three months ended March 31, 2017
Interest rate swaps	Interest expense	$	0.2	Fixed rate debt	Interest expense	$	(0.2	)
Three months ended March 31, 2016
Interest rate swaps	Interest expense	$	2.4	Fixed rate debt	Interest expense	$	(2.4	)

Effect Of Cash Flow Hedges On Financial Statements

A summary of the effect of cash flow hedges on our financial statements for the three months ended March 31, 2017 and 2016 is as follows:

	Effective Portion
	Pretax Hedge Gain (Loss) Recognized in Other Comprehensive Income (Loss)			Income Statement Location of Loss Reclassification from Accumulated Other Comprehensive Loss	Hedge Loss Reclassified from Accumulated Other Comprehensive Loss			Ineffective Portion
Type of Cash Flow Hedge								Income Statement Location of Loss Recognized	Hedge Loss Recognized
Three months ended March 31, 2017
Forward starting pay fixed swaps	$	18.3		Interest expense	$	(1.5	)	Net realized gains (losses) on financial instruments	$	(12.0	)
Three months ended March 31, 2016
Forward starting pay fixed swaps	$	(409.8	)	Interest expense	$	(1.4	)	None	$	—

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

A summary of the effect of non-hedging derivatives on our income statement for the three months ended March 31, 2017 and 2016 is as follows:

Type of Non-hedging Derivatives	Income Statement Location of Gain (Loss) Recognized	Derivative Gain (Loss) Recognized
Three months ended March 31, 2017
Interest rate swaps	Net realized gains (losses) on financial instruments	$	0.6
Options	Net realized gains (losses) on financial instruments	(10.5		)
Futures	Net realized gains (losses) on financial instruments	(0.4		)
Total		$	(10.3	)
Three months ended March 31, 2016
Interest rate swaps	Net realized gains (losses) on financial instruments	$	(16.9	)
Options	Net realized gains (losses) on financial instruments	(136.4		)
Futures	Net realized gains (losses) on financial instruments	(0.5		)
Total		$	(153.8	)