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v3.25.0.1

Consolidated Statements of Stockholders' Equity - USD ($) $ in Millions | Total | Common Stock | Capital in Excess of Par Value | Retained Earnings | Accumulated Other Comprehensive Loss | Treasury Stock, Common
--- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2021 | $ 1,953.3 | $ 0.5 | $ 1,692.6 | $ 279.5 | $ (19.3) | $ 0.0
Beginning balance, shares at Dec. 31, 2021 |  | 48,300,000 |  |  |  | 0
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 245.8 |  |  | 245.8 |  |
Other comprehensive income (loss) | 3.6 |  |  |  | 3.6 |
Cash dividends on common stock | (9.8) |  |  | (9.8) |  |
Restricted shares, net, value | 6.5 |  | 20.1 |  |  | $ (13.6)
Restricted shares, net, shares |  | 700,000 |  |  |  | 300,000
Shares repurchased, value | (15.0) |  |  |  |  | $ (15.0)
Shares repurchased, shares |  |  |  |  |  | (300,000)
Retirement of treasury stock, value | 0.0 |  | (28.6) |  |  | $ (28.6)
Retirement of treasury stock, shares |  | (600,000) |  |  |  | (600,000)
Ending balance at Dec. 31, 2022 | 2,184.4 | $ 0.5 | 1,684.1 | 515.5 | (15.7) | $ 0.0
Ending balance, shares at Dec. 31, 2022 |  | 48,400,000 |  |  |  | 0
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 159.2 |  |  | 159.2 |  |
Other comprehensive income (loss) | (0.5) |  |  |  | (0.5) |
Cash dividends on common stock | (9.8) |  |  | (9.8) |  |
Restricted shares, net, value | 12.5 |  | 24.6 |  |  | $ (12.1)
Restricted shares, net, shares |  | 500,000 |  |  |  | 100,000
Shares repurchased, value | $ (13.8) |  |  |  |  | $ (13.8)
Shares repurchased, shares | (200,000) |  |  |  |  | (200,000)
Retirement of treasury stock, value | $ 0.0 |  | (25.9) |  |  | $ (25.9)
Retirement of treasury stock, shares |  | (300,000) |  |  |  | (300,000)
Ending balance at Dec. 31, 2023 | $ 2,332.0 | $ 0.5 | 1,682.8 | 664.9 | (16.2) | $ 0.0
Ending balance, shares at Dec. 31, 2023 |  | 48,600,000 |  |  |  | 0
Statement of Stockholders' Equity [Abstract] |  |  |  |  |  |
Common stock, par value (in dollars per share) | $ 0.01 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | $ 93.7 |  |  | 93.7 |  |
Other comprehensive income (loss) | (1.5) |  |  |  | (1.5) |
Cash dividends on common stock | (9.7) |  |  | (9.7) |  |
Restricted shares, net, value | 13.7 |  | 25.8 |  |  | $ (12.1)
Restricted shares, net, shares |  | 300,000 |  |  |  | 100,000
Retirement of treasury stock, value | 0.0 |  | (12.1) |  |  | $ (12.1)
Retirement of treasury stock, shares |  | (100,000) |  |  |  | (100,000)
Ending balance at Dec. 31, 2024 | $ 2,428.2 | $ 0.5 | $ 1,696.5 | $ 748.9 | $ (17.7) | $ 0.0
Ending balance, shares at Dec. 31, 2024 |  | 48,800,000 |  |  |  | 0
Statement of Stockholders' Equity [Abstract] |  |  |  |  |  |
Common stock, par value (in dollars per share) | $ 0.01 |  |  |  |  |

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