CONSOLIDATED STATEMENTS OF INCOME (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Revenue
Premium Income	$ 1,897.3	$ 1,929.4	$ 5,734.0	$ 5,778.9
Net Investment Income	615.5	619.2	1,862.7	1,872.2
Realized Investment Gain (Loss)
Other-Than-Temporary Impairment Loss on Fixed Maturity Securities	0	0	(0.8)	0
Other Net Realized Investment Gain (Loss)	(26.1)	21.3	(1.7)	31.6
Net Realized Investment Gain (Loss)	(26.1)	21.3	(2.5)	31.6
Other Income	54.2	58.1	173.4	174.5
Total Revenue	2,540.9	2,628.0	7,767.6	7,857.2
Benefits and Expenses
Benefits and Change in Reserves for Future Benefits	1,641.6	1,686.9	4,951.9	5,033.0
Commissions	222.6	227.7	681.6	690.8
Interest and Debt Expense	37.4	36.6	111.8	107.3
Deferral of Acquisition Costs	(117.8)	(111.0)	(349.3)	(347.6)
Amortization of Deferred Acquisition Costs	98.6	87.0	323.7	285.6
Compensation Expense	196.2	187.0	588.7	589.3
Other Expenses	178.2	193.4	559.8	572.0
Total Benefits and Expenses	2,256.8	2,307.6	6,868.2	6,930.4
Income Before Income Tax	284.1	320.4	899.4	926.8
Income Tax (Benefit)
Current	69.4	85.5	263.4	126.4
Deferred	9.0	4.7	(0.9)	139.9
Total Income Tax	78.4	90.2	262.5	266.3
Net Income	$ 205.7	$ 230.2	$ 636.9	$ 660.5
Net Income Per Common Share
Basic	$ 0.78	$ 0.83	$ 2.39	$ 2.33
Diluted	$ 0.78	$ 0.83	$ 2.38	$ 2.32