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Net Income Per Common Share | 12 Months Ended
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Dec. 31, 2021
Earnings Per Share [Abstract] |
Net Income Per Common Share | Note 14 — Net Income Per Common Share Computations of basic and diluted net income per common share for the years ended December 31, 2021, 2020 and 2019, are as follows:
(In millions, except per share data) |  | 2021 |  |  | 2020 |  |  | 2019 |
Basic net income per common share: |  |  |  |  |  |  |  |  |
Net income |  | $ | 16.1 |  |  | $ | 31.7 |  |  | $ | 306.6 |
Weighted average common shares outstanding |  |  | 84.1 |  |  |  | 83.8 |  |  |  | 84.9 |
Basic net income per common share |  | $ | 0.19 |  |  | $ | 0.38 |  |  | $ | 3.61 |
Diluted net income per common share: |  |  |  |  |  |  |  |  |
Weighted average common shares outstanding — Basic |  |  | 84.1 |  |  |  | 83.8 |  |  |  | 84.9 |
Plus incremental shares from assumed conversions: |  |  |  |  |  |  |  |  |
Restricted stock units |  |  | 0.3 |  |  |  | 0.1 |  |  |  | 0.3 |
Stock options |  |  | 0.2 |  |  |  | 0.1 |  |  |  | 0.6 |
Weighted average common shares outstanding — Dilutive |  |  | 84.6 |  |  |  | 84.0 |  |  |  | 85.8 |
Dilutive net income per common share |  | $ | 0.19 |  |  | $ | 0.38 |  |  | $ | 3.57 |
Anti-dilutive shares outstanding, excluded from computation |  |  | 0.6 |  |  |  | 0.9 |  |  |  | 0.1 |

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