CONSOLIDATED STATEMENTS OF INCOME (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenue
Premium Income	$ 1,927.6	$ 1,875.0	$ 3,849.5	$ 3,744.5
Net Investment Income	633.5	637.1	1,253.0	1,255.8
Realized Investment Gain (Loss)
Other-Than-Temporary Impairment Loss on Fixed Maturity Securities	0	(0.7)	0	(3.0)
Other Net Realized Investment Gain (Loss)	(2.1)	(2.9)	10.3	14.6
Net Realized Investment Gain (Loss)	(2.1)	(3.6)	10.3	11.6
Other Income	58.9	56.0	116.4	115.7
Total Revenue	2,617.9	2,564.5	5,229.2	5,127.6
Benefits and Expenses
Benefits and Change in Reserves for Future Benefits	1,683.2	1,599.4	3,346.1	3,192.4
Commissions	230.8	217.9	463.1	442.2
Interest and Debt Expense	35.2	35.1	70.7	73.0
Deferral of Acquisition Costs	(119.2)	(112.4)	(236.6)	(224.6)
Amortization of Deferred Acquisition Costs	99.2	94.6	198.6	189.6
Compensation Expense	195.4	198.7	402.3	400.6
Other Expenses	196.9	196.7	378.6	392.5
Total Benefits and Expenses	2,321.5	2,230.0	4,622.8	4,465.7
Income Before Income Tax	296.4	334.5	606.4	661.9
Income Tax
Current	3.6	91.0	40.9	156.3
Deferred	76.4	15.9	135.2	54.4
Total Income Tax	80.0	106.9	176.1	210.7
Net Income	$ 216.4	$ 227.6	$ 430.3	$ 451.2
Net Income Per Common Share
Basic	$ 0.76	$ 0.74	$ 1.50	$ 1.46
Assuming Dilution	$ 0.76	$ 0.74	$ 1.50	$ 1.45