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Accumulated Other Comprehensive Loss (Tables) | 9 Months Ended
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Sep. 30, 2020
Other Comprehensive Income (Loss), Tax [Abstract] |
Components Of Accumulated Other Comprehensive Loss | The following tables display the components of Accumulated Other Comprehensive Loss:
Three Months Ended September 30, 2020 (in millions) | Gains and Losses on Securities(1) |  | Gains and Losses on Cash Flow Hedges(1) |  | Pension and OPEB Items(1) |  | Accumulated Other Comprehensive Loss(1)
Balance as of July 1, 2020 | $ | 3.6 |  |  | $ | (207.8) |  |  | $ | (17.7) |  |  | $ | (221.9) |
Other comprehensive income before reclassifications | 1.2 |  |  | 26.0 |  |  | 1.0 |  |  | 28.2 |
Amounts reclassified from accumulated other comprehensive income (loss) | 0.2 |  |  | — |  |  | (0.1) |  |  | 0.1 |
Net current-period other comprehensive income | 1.4 |  |  | 26.0 |  |  | 0.9 |  |  | 28.3 |
Balance as of September 30, 2020 | $ | 5.0 |  |  | $ | (181.8) |  |  | $ | (16.8) |  |  | $ | (193.6) |
(1)All amounts are net of tax. Amounts in parentheses indicate debits. |  |  |  |  |  |  |
Nine Months Ended September 30, 2020 (in millions) | Gains and Losses on Securities(1) |  | Gains and Losses on Cash Flow Hedges(1) |  | Pension and OPEB Items(1) |  | Accumulated Other Comprehensive Loss(1)
Balance as of January 1, 2020 | $ | 3.3 |  |  | $ | (77.2) |  |  | $ | (18.7) |  |  | $ | (92.6) |
Other comprehensive income (loss) before reclassifications | 2.0 |  |  | (104.6) |  |  | 1.4 |  |  | (101.2) |
Amounts reclassified from accumulated other comprehensive income (loss) | (0.3) |  |  | — |  |  | 0.5 |  |  | 0.2 |
Net current-period other comprehensive income (loss) | 1.7 |  |  | (104.6) |  |  | 1.9 |  |  | (101.0) |
Balance as of September 30, 2020 | $ | 5.0 |  |  | $ | (181.8) |  |  | $ | (16.8) |  |  | $ | (193.6) |
(1)All amounts are net of tax. Amounts in parentheses indicate debits.
Three Months Ended September 30, 2019 (in millions) | Gains and Losses on Securities(1) |  | Gains and Losses on Cash Flow Hedges(1) |  | Pension and OPEB Items(1) |  | Accumulated Other Comprehensive Loss(1)
Balance as of July 1, 2019 | $ | 2.5 |  |  | $ | (62.8) |  |  | $ | (20.5) |  |  | $ | (80.8) |
Other comprehensive income (loss) before reclassifications | 0.9 |  |  | (50.7) |  |  | 0.2 |  |  | (49.6) |
Amounts reclassified from accumulated other comprehensive income (loss) | (0.2) |  |  | 0.1 |  |  | 0.2 |  |  | 0.1 |
Net current-period other comprehensive income (loss) | 0.7 |  |  | (50.6) |  |  | 0.4 |  |  | (49.5) |
Balance as of September 30, 2019 | $ | 3.2 |  |  | $ | (113.4) |  |  | $ | (20.1) |  |  | $ | (130.3) |
(1)All amounts are net of tax. Amounts in parentheses indicate debits. |  |  |  |  |  |  |
Nine Months Ended September 30, 2019 (in millions) | Gains and Losses on Securities(1) |  | Gains and Losses on Cash Flow Hedges(1) |  | Pension and OPEB Items(1) |  | Accumulated Other Comprehensive Loss(1)
Balance as of January 1, 2019 | $ | (2.4) |  |  | $ | (13.0) |  |  | $ | (21.8) |  |  | $ | (37.2) |
Other comprehensive income (loss) before reclassifications | 5.9 |  |  | (100.5) |  |  | 0.7 |  |  | (93.9) |
Amounts reclassified from accumulated other comprehensive income (loss) | (0.3) |  |  | 0.1 |  |  | 1.0 |  |  | 0.8 |
Net current-period other comprehensive income (loss) | 5.6 |  |  | (100.4) |  |  | 1.7 |  |  | (93.1) |
Balance as of September 30, 2019 | $ | 3.2 |  |  | $ | (113.4) |  |  | $ | (20.1) |  |  | $ | (130.3) |
(1)All amounts are net of tax. Amounts in parentheses indicate debits.

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