CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenue
Premium Income	$ 9,378.1	$ 9,365.6	$ 8,986.1
Net Investment Income	2,360.7	2,435.3	2,453.7
Net Realized Investment Gain (Loss)	1,199.1	(23.2)	(39.5)
Other Income	224.2	221.2	198.2
Total Revenue	13,162.1	11,998.9	11,598.5
Benefits and Expenses
Benefits and Change in Reserves for Future Benefits	8,972.9	7,496.2	8,020.4
Commissions	1,057.3	1,122.7	1,108.4
Interest and Debt Expense	188.2	177.4	167.3
Cost Related to Early Retirement of Debt	0.0	27.3	0.0
Deferral of Acquisition Costs	(576.2)	(658.6)	(668.0)
Amortization of Deferred Acquisition Costs	606.1	609.9	565.5
Compensation Expense	953.2	898.3	885.9
Other Expenses	996.6	943.6	891.2
Total Benefits and Expenses	12,198.1	10,616.8	10,970.7
Income Before Income Tax	964.0	1,382.1	627.8
Income Tax
Current	(116.6)	274.8	227.4
Deferred	287.6	7.0	(123.0)
Total Income Tax	171.0	281.8	104.4
Net Income	$ 793.0	$ 1,100.3	$ 523.4
Net Income Per Common Share
Basic	$ 3.89	$ 5.25	$ 2.38
Assuming Dilution	$ 3.89	$ 5.24	$ 2.38