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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Millions | Total | Common Stock | Additional Paid-in Capital | Accumulated Other Comprehensive Income (Loss) | Retained Earnings | Treasury Stock, Common
--- | --- | --- | --- | --- | --- | ---
Balance at Beginning of Year at Dec. 31, 2021 |  |  | $ 30.7 | $ 2,408.1 | $ (5,164.6) | $ 11,989.4 | $ (3,229.7)
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Common Stock Activity |  |  | 0.1 | 9.3 |  |  |
Other Comprehensive Income (Loss) | $ 1,355.1 |  |  |  |  |  |
Net Income | 607.7 |  |  |  |  | 607.7 |
Dividends to Stockholders (per common share: $0.330; $0.300; $0.660; $0.600) |  |  |  |  |  | (123.4) |
Cost of Shares Repurchased | 94.9 | [1] |  |  |  |  | 94.9
Balance at End of Year at Jun. 30, 2022 | 7,787.8 |  | 30.8 | 2,417.4 | (3,809.5) | 12,473.7 | (3,324.6)
Balance at Beginning of Year at Mar. 31, 2022 |  |  | 30.8 | 2,395.8 | (4,438.5) | 12,166.9 | (3,267.2)
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Common Stock Activity |  |  | 0.0 | 21.6 |  |  |
Other Comprehensive Income (Loss) | 629.0 |  |  |  | 629.0 |  |
Net Income | 367.3 |  |  |  |  | 367.3 |
Dividends to Stockholders (per common share: $0.330; $0.300; $0.660; $0.600) |  |  |  |  |  | (60.5) |
Cost of Shares Repurchased | 57.4 | [1] |  |  |  |  | 57.4
Balance at End of Year at Jun. 30, 2022 | 7,787.8 |  | 30.8 | 2,417.4 | (3,809.5) | 12,473.7 | (3,324.6)
Balance at Beginning of Year at Dec. 31, 2022 | 8,735.0 |  | 30.8 | 2,441.0 | (3,448.3) | 13,141.3 | (3,429.8)
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Common Stock Activity |  |  | 0.1 | 3.9 |  |  |
Other Comprehensive Income (Loss) | (9.3) |  |  |  | (9.3) |  |
Net Income | 751.2 |  |  |  |  | 751.2 |
Dividends to Stockholders (per common share: $0.330; $0.300; $0.660; $0.600) |  |  |  |  |  | (134.4) |
Cost of Shares Repurchased | 100.6 | [1] |  |  |  |  | 100.6
Balance at End of Year at Jun. 30, 2023 | 9,245.9 |  | 30.9 | 2,444.9 | (3,457.6) | 13,758.1 | (3,530.4)
Balance at Beginning of Year at Mar. 31, 2023 |  |  | 30.9 | 2,431.8 | (3,162.3) | 13,430.4 | (3,483.4)
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Common Stock Activity |  |  | 0.0 | 13.1 |  |  |
Other Comprehensive Income (Loss) | (295.3) |  |  |  | (295.3) |  |
Net Income | 392.9 |  |  |  |  | 392.9 |
Dividends to Stockholders (per common share: $0.330; $0.300; $0.660; $0.600) |  |  |  |  |  | (65.2) |
Cost of Shares Repurchased | 47.0 | [1] |  |  |  |  | 47.0
Balance at End of Year at Jun. 30, 2023 | $ 9,245.9 |  | $ 30.9 | $ 2,444.9 | $ (3,457.6) | $ 13,758.1 | $ (3,530.4)
[1] | 1Includes $0.1 million of commissions for the three and six months ended June 30, 2023 and $0.1 million of commission for the three and six months ended June 30, 2022. There was $0.4 million and $0.5 million of excise tax for the three and six months ended June 30, 2023, respectively. There were no excise taxes during the three and six months ended June 30, 2022.

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