CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenue
Premium Income	$ 2,087.5	$ 2,006.3
Net Investment Income	606.4	602.0
Realized Investment Gain (Loss)
Other-Than-Temporary Impairment Loss on Fixed Maturity Securities	(21.1)	(4.5)
Net Realized Investment Gain (Loss), Excluding Other-Than-Temporary Impairment Loss on Fixed Maturity Securities	0.6	(10.8)
Net Realized Investment Loss	(20.5)	(15.3)
Other Income	52.0	54.4
Total Revenue	2,725.4	2,647.4
Benefits and Expenses
Benefits and Change in Reserves for Future Benefits	1,729.8	1,653.9
Commissions	259.9	256.9
Interest and Debt Expense	38.6	37.8
Deferral of Acquisition Costs	(152.5)	(145.0)
Amortization of Deferred Acquisition Costs	132.2	134.3
Compensation Expense	207.6	213.1
Other Expenses	205.6	193.4
Total Benefits and Expenses	2,421.2	2,344.4
Income Before Income Tax	304.2	303.0
Income Tax
Current	51.0	40.6
Deferred	42.6	49.5
Total Income Tax	93.6	90.1
Net Income	$ 210.6	$ 212.9
Net Income Per Common Share
Basic	$ 0.88	$ 0.85
Assuming Dilution	$ 0.88	$ 0.84