CONSOLIDATED STATEMENTS OF INCOME (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenue
Premium Income	$ 7,624.7	$ 7,716.1	$ 7,514.2
Net Investment Income	2,492.1	2,515.2	2,519.6
Realized Investment Gain (Loss)
Other-Than-Temporary Impairment Loss on Fixed Maturity Securities	(0.8)	0	(19.9)
Other Net Realized Investment Gain (Loss)	7.6	56.2	15.0
Net Realized Investment Gain (Loss)	6.8	56.2	(4.9)
Other Income	230.2	227.9	249.1
Total Revenue	10,353.8	10,515.4	10,278.0
Benefits and Expenses
Benefits and Change in Reserves for Future Benefits	6,595.7	6,722.2	7,209.5
Commissions	909.5	917.2	879.2
Interest and Debt Expense	149.4	145.4	143.3
Deferral of Acquisition Costs	(466.8)	(467.3)	(442.5)
Amortization of Deferred Acquisition Costs	418.9	378.7	365.7
Impairment of Deferred Acquisition Costs	0	0	196.0
Compensation Expense	790.4	786.8	808.0
Other Expenses	751.5	782.9	785.5
Total Benefits and Expenses	9,148.6	9,265.9	9,944.7
Income Before Income Tax	1,205.2	1,249.5	333.3
Income Tax (Benefit)
Current	296.6	206.6	230.5
Deferred	50.5	148.5	(181.4)
Total Income Tax	347.1	355.1	49.1
Net Income	$ 858.1	$ 894.4	$ 284.2
Net Income Per Common Share
Basic	$ 3.24	$ 3.18	$ 0.94
Assuming Dilution	$ 3.23	$ 3.17	$ 0.94