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Stockholders' Equity - Narrative (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Jul. 19, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Feb. 10, 2022
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |
Cash dividends paid |  | $ 90.8 | $ 91.7 | $ 95.9 | $ 96.6 | $ 182.5 | $ 192.5 |
Common stock dividends (USD per share) |  | $ 0.235 | $ 0.235 | $ 0.235 | $ 0.235 |  |  |
Stock repurchased and retired, publicly announced authorizations (shares) |  |  |  |  |  | 9.2 | 6.1 |
Stock repurchased and retired, publicly announced authorizations, value excluding commissions |  |  |  |  |  | $ 171.0 | $ 150.0 |
Stock repurchased and retired, publicly announced authorizations, average cost per share excluding commissions (USD per share) |  |  |  |  |  | $ 18.52 | $ 24.42 |
Stock repurchase program expiration date |  |  |  |  |  | Dec. 31, 2021 |  |
Subsequent Event |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |
Common stock dividends (USD per share) | $ 0.235 |  |  |  |  |  |  |
Dividends payable, date declared | Jul. 19, 2022 |  |  |  |  |  |  |
Dividends payable, date to be paid | Sep. 30, 2022 |  |  |  |  |  |  |
Authorized through December 31, 2024 |  |  |  |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |  |  |  |
Stock repurchases authorized amount |  |  |  |  |  |  |  | $ 1,000.0
Remaining amount available under share repurchase authorization |  | $ 829.0 |  |  |  | $ 829.0 |  |

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