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Share Repurchases (Open Market Share Repurchase Programs) (Details) - USD ($) $ in Millions | Sep. 30, 2022 | Mar. 14, 2022 | Mar. 01, 2022 | Feb. 04, 2020
--- | --- | --- | --- | ---
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Authorized amount for repurchase |  | $ 150.0 |  |
Maximum |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Remaining authorized amount for repurchase | $ 300.0 |  |  |
Maximum | Authorized On February Fourth Two-Thousand Twenty |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Authorized amount for repurchase |  |  |  | $ 300.0
Maximum | Authorized On March One, Two-Thousand Twenty Two |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Authorized amount for repurchase |  |  | $ 300.0 |

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