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Equity - Narrative (Details) - USD ($) shares in Millions, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Derivative Instruments |  |  |  |
Stock issued or granted during period [Abstract] |  |  |  |
Other comprehensive income (loss), tax, portion attributable to parent | $ 0.3 | $ 0.8 | $ 1.0 | $ 3.6
Stock Options |  |  |  |
Stock issued or granted during period [Abstract] |  |  |  |
Stock options granted (in shares) |  |  | 0.3 |
Restricted Stock Units |  |  |  |
Stock issued or granted during period [Abstract] |  |  |  |
Restricted stock units granted (in shares) |  |  | 0.5 |
Award vesting period |  |  | 3 years |
Tranche One | Stock Options |  |  |  |
Stock issued or granted during period [Abstract] |  |  |  |
Award vesting rights, percentage |  |  | 33.33% |
Tranche One | Restricted Stock Units |  |  |  |
Stock issued or granted during period [Abstract] |  |  |  |
Award vesting rights, percentage |  |  | 33.33% |
Tranche Two | Stock Options |  |  |  |
Stock issued or granted during period [Abstract] |  |  |  |
Award vesting rights, percentage |  |  | 33.33% |
Tranche Two | Restricted Stock Units |  |  |  |
Stock issued or granted during period [Abstract] |  |  |  |
Award vesting rights, percentage |  |  | 33.33% |
Tranche Three | Stock Options |  |  |  |
Stock issued or granted during period [Abstract] |  |  |  |
Award vesting rights, percentage |  |  | 33.33% |
Tranche Three | Restricted Stock Units |  |  |  |
Stock issued or granted during period [Abstract] |  |  |  |
Award vesting rights, percentage |  |  | 33.33% |

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