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CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Revenue |  |
Premium Income | $ 2,250.0 | $ 2,142.9
Net Investment Income | 602.3 | 602.4
Realized Investment Gain (Loss) |  |
Other-Than-Temporary Impairment Loss on Fixed Maturity Securities | (1.0) | 0.0
Net Realized Investment Gain (Loss), Excluding Other-Than-Temporary Impairment Loss on Fixed Maturity Securities | (1.2) | 11.0
Net Realized Investment Gain (Loss) | (2.2) | 11.0
Other Income | 49.5 | 50.2
Total Revenue | 2,899.6 | 2,806.5
Benefits and Expenses |  |
Benefits and Change in Reserves for Future Benefits | 1,807.9 | 1,749.0
Commissions | 282.3 | 270.2
Interest and Debt Expense | 40.2 | 39.8
Deferral of Acquisition Costs | (169.3) | (162.1)
Amortization of Deferred Acquisition Costs | 151.5 | 141.5
Compensation Expense | 221.7 | 209.0
Other Expenses | 224.2 | 228.8
Total Benefits and Expenses | 2,558.5 | 2,476.2
Income Before Income Tax | 341.1 | 330.3
Income Tax (Benefit) |  |
Current | 89.4 | 56.6
Deferred | (21.8) | 43.8
Total Income Tax | 67.6 | 100.4
Net Income | $ 273.5 | $ 229.9
Net Income Per Common Share |  |
Basic | $ 1.23 | $ 1.00
Assuming Dilution | $ 1.23 | $ 1.00

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