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CONSOLIDATED STATEMENTS OF INCOME (USD $) In Millions, except Per Share data, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
Revenue |  |
Premium Income | $ 1,930.9 | $ 1,921.9
Net Investment Income | 621.1 | 619.5
Realized Investment Gain (Loss) |  |
Total Other-Than-Temporary Impairment Loss on Fixed Maturity Securities | (0.8) | 0
Other Net Realized Investment Gain | 11.1 | 12.4
Net Realized Investment Gain (Loss) | 10.3 | 12.4
Other Income | 62.5 | 57.5
Total Revenue | 2,624.8 | 2,611.3
Benefits and Expenses |  |
Benefits and Change in Reserves for Future Benefits | 1,648.5 | 1,662.9
Commissions | 238.2 | 232.3
Interest and Debt Expense | 37.1 | 35.5
Deferral of Acquisition Costs | (118.2) | (117.4)
Amortization of Deferred Acquisition Costs | 123.8 | 99.4
Compensation Expense | 197.6 | 206.9
Other Expenses | 194.0 | 181.7
Total Benefits and Expenses | 2,321.0 | 2,301.3
Income Before Income Tax | 303.8 | 310.0
Income Tax (Benefit) |  |
Current | 81.8 | 37.3
Deferred | 9.4 | 58.8
Total Income Tax | 91.2 | 96.1
Net Income | $ 212.6 | $ 213.9
Net Income Per Common Share |  |
Basic | $ 0.79 | $ 0.74
Diluted | $ 0.79 | $ 0.73

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