NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued Unum Group and Subsidiaries Note 5 - Accumulated Other Comprehensive Income (Loss) - Continued Amounts reclassified from accumulated other comprehensive income (loss) were recognized in our consolidated statements of income as follows: Year Ended December 31 2019 2018 2017 (in millions of dollars) Net Unrealized Gain (Loss) on Securities Net Realized Investment Gain (Loss) Gain (Loss) on Sales of Securities and Other Invested Assets $ (18.0) $ (4.8) $ 22.7  Other-Than-Temporary Impairment Loss (25.3) (17.5) (8.1) (43.3) (22.3) 14.6  Income Tax Expense (Benefit) (9.1) (4.7) 5.1  Total $ (34.2) $ (17.6) $ 9.5  Net Gain on Hedges Net Investment Income Gain on Interest Rate Swaps and Forwards $ 73.6  $ 65.9  $ 59.0  Loss on Foreign Exchange Contracts 0.8  (1.1) (1.2) Net Realized Investment Gain (Loss) Gain on Interest Rate Swaps 8.8  0.2  0.2  Loss on Foreign Exchange Contracts (1.3) (1.5) (9.2) Interest and Debt Expense Loss on Interest Rate Swaps (2.1) (2.1) (2.0) Loss on Forward (0.5) —  —  79.3  61.4  46.8  Income Tax Expense 16.7  12.9  16.3  Total $ 62.6  $ 48.5  $ 30.5  Unrecognized Pension and Postretirement Benefit Costs Other Expenses Amortization of Net Actuarial Loss $ (18.6) $ (22.3) $ (20.3) Amortization of Prior Service Credit 0.2  0.2  0.7  (18.4) (22.1) (19.6) Income Tax Benefit (4.0) (4.8) (6.7) Total $ (14.4) $ (17.3) $ (12.9) 156