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Stockholders' Equity - Schedule of Amounts Reclassified from AOCL (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Accumulated other comprehensive income (loss) |  |  |  |  |  |  |  |
Reclassification from AOCL, net of tax | $ 10.5 |  |  | $ (0.9) |  |  | $ 43.0 | $ (15.0)
Investment Securities |  |  |  |  |  |  |  |
Accumulated other comprehensive income (loss) |  |  |  |  |  |  |  |
Reclassification from AOCL, Provision for income taxes | 1.6 |  |  | (0.5) |  |  | 1.6 | (0.5)
Reclassification from AOCL, net of tax | (6.8) |  | $ (0.1) | 2.0 | $ (0.1) | $ (0.1) | (6.9) | 1.8
Investment Securities | Revenues |  |  |  |  |  |  |  |
Accumulated other comprehensive income (loss) |  |  |  |  |  |  |  |
Reclassification from AOCL, before tax | (8.4) |  |  | (2.5) |  |  | (8.5) | (2.3)
Hedging Activities |  |  |  |  |  |  |  |
Accumulated other comprehensive income (loss) |  |  |  |  |  |  |  |
Reclassification from AOCL, Provision for income taxes | (0.2) |  |  | 0.1 |  |  | (0.2) | 0.1
Reclassification from AOCL, net of tax | 17.3 | $ 13.9 | 0.9 | (0.6) | (3.5) | (5.6) | 32.1 | (9.7)
Hedging Activities | Foreign currency contracts | Revenues |  |  |  |  |  |  |  |
Accumulated other comprehensive income (loss) |  |  |  |  |  |  |  |
Reclassification from AOCL, before tax | $ 17.5 |  |  | (0.6) |  |  | 32.4 | (10.0)
Hedging Activities | Interest rate contracts | Interest Expense |  |  |  |  |  |  |  |
Accumulated other comprehensive income (loss) |  |  |  |  |  |  |  |
Reclassification from AOCL, before tax |  |  |  | (0.1) |  |  | (0.1) | (0.5)
Hedging Activities | Interest rate contracts | Other income/(expense), net |  |  |  |  |  |  |  |
Accumulated other comprehensive income (loss) |  |  |  |  |  |  |  |
Reclassification from AOCL, before tax |  |  |  |  |  |  |  | 0.7
Defined benefit plans |  |  |  |  |  |  |  |
Accumulated other comprehensive income (loss) |  |  |  |  |  |  |  |
Reclassification from AOCL, Provision for income taxes |  |  |  | 0.7 |  |  |  | 2.0
Reclassification from AOCL, net of tax |  |  |  | (2.3) | $ (2.3) | $ (2.5) |  | (7.1)
Defined benefit plans | Other income/(expense), net |  |  |  |  |  |  |  |
Accumulated other comprehensive income (loss) |  |  |  |  |  |  |  |
Reclassification from AOCL, before tax |  |  |  | $ (3.0) |  |  |  | $ (9.1)
Foreign Currency Translation |  |  |  |  |  |  |  |
Accumulated other comprehensive income (loss) |  |  |  |  |  |  |  |
Reclassification from AOCL, net of tax |  |  | $ 17.8 |  |  |  | 17.8 |
Foreign Currency Translation | Gain on Divestiture of Business Member |  |  |  |  |  |  |  |
Accumulated other comprehensive income (loss) |  |  |  |  |  |  |  |
Reclassification from AOCL, before tax |  |  |  |  |  |  | $ 17.8 |

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