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Consolidated Statements Of Comprehensive Income (Parenthetical) (Unaudited) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Other comprehensive income/(loss), tax | $ 7.6 | $ 4.4 | $ (6.4) | $ 18.1
Reclassifications to earnings of realized losses on available-for-sale securities |  |  | $ (0.3) | (0.2)
Transfer from held-to-maturity securities to available-for-sale, net of tax |  | 17.9 |  | 17.9
Reclassifications to earnings of gains (loss) on cash flow hedging instruments |  | $ 0.6 |  | 2.9
ASU 2019-04 [Member] |  |  |  |
Transfer from held-to-maturity securities to available-for-sale, net of tax |  |  |  | $ 17.9

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