CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenue
Premium Income	$ 2,338.7	$ 2,250.0
Net Investment Income	594.7	602.3
Realized Investment Gain (Loss)
Other-Than-Temporary Impairment Loss on Fixed Maturity Securities	0.0	(1.0)
Net Realized Investment Gain (Loss), Excluding Other-Than-Temporary Impairment Loss on Fixed Maturity Securities	1.1	(1.2)
Net Realized Investment Gain (Loss)	1.1	(2.2)
Other Income	53.1	49.5
Total Revenue	2,987.6	2,899.6
Benefits and Expenses
Benefits and Change in Reserves for Future Benefits	1,840.8	1,807.9
Commissions	290.1	282.3
Interest and Debt Expense	42.1	40.2
Deferral of Acquisition Costs	(173.7)	(169.3)
Amortization of Deferred Acquisition Costs	170.6	151.5
Compensation Expense	226.5	221.7
Other Expenses	237.9	224.2
Total Benefits and Expenses	2,634.3	2,558.5
Income Before Income Tax	353.3	341.1
Income Tax (Benefit)
Current	54.3	89.4
Deferred	18.1	(21.8)
Total Income Tax	72.4	67.6
Net Income	$ 280.9	$ 273.5
Net Income Per Common Share
Basic	$ 1.31	$ 1.23
Assuming Dilution	$ 1.31	$ 1.23