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v3.24.3

Common Equity - Additional Information (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Oct. 28, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023 | Jan. 31, 2023
Class of Stock |  |  |  |  |  |  |  |  |  |  |
Anti-dilutive share-based awards and options excluded from computation of diluted earnings per share |  | 0.1 |  |  | 0.1 |  |  | 0.0 | 0.3 |  |
Stock repurchase program - amount authorized |  |  |  |  |  |  |  |  |  |  | $ 150.0
Treasury stock, value |  | $ 96.4 |  |  |  |  |  | $ 96.4 |  | $ 66.9 |
Repurchase Program 2023 |  |  |  |  |  |  |  |  |  |  |
Class of Stock |  |  |  |  |  |  |  |  |  |  |
Treasury stock, value |  | $ 95.5 |  |  |  |  |  | $ 95.5 |  |  |
Class A Common Shares |  |  |  |  |  |  |  |  |  |  |
Class of Stock |  |  |  |  |  |  |  |  |  |  |
Dividends declared per share |  | $ 0.095 | $ 0.095 | $ 0.095 | $ 0.09 | $ 0.09 | $ 0.09 |  |  |  |
Dividends declared per share |  | 0.095 | 0.095 | 0.095 | 0.09 | 0.09 | 0.09 |  |  |  |
Class A Common Shares | Dividend Declared | Subsequent Event |  |  |  |  |  |  |  |  |  |  |
Class of Stock |  |  |  |  |  |  |  |  |  |  |
Dividends declared per share | $ 0.095 |  |  |  |  |  |  |  |  |  |
Dividends declared per share | 0.095 |  |  |  |  |  |  |  |  |  |
Class B Common Stock |  |  |  |  |  |  |  |  |  |  |
Class of Stock |  |  |  |  |  |  |  |  |  |  |
Dividends declared per share |  | 0.095 | 0.095 | 0.095 | 0.09 | 0.09 | 0.09 |  |  |  |
Dividends declared per share |  | $ 0.095 | $ 0.095 | $ 0.095 | $ 0.09 | $ 0.09 | $ 0.09 |  |  |  |
Class B Common Stock | Dividend Declared | Subsequent Event |  |  |  |  |  |  |  |  |  |  |
Class of Stock |  |  |  |  |  |  |  |  |  |  |
Dividends declared per share | 0.095 |  |  |  |  |  |  |  |  |  |
Dividends declared per share | $ 0.095 |  |  |  |  |  |  |  |  |  |

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