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EARNINGS PER SHARE | 3 Months Ended
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Mar. 31, 2024
Earnings Per Share [Abstract] |
EARNINGS PER SHARE | NOTE 5. EARNINGS PER SHARE Basic and diluted net income attributable to Olin Corporation per share are computed by dividing net income attributable to Olin Corporation by the weighted-average number of common shares outstanding. Diluted net income attributable to Olin Corporation per share reflects the dilutive effect of stock-based compensation.
|  |  | Three Months Ended March 31,
|  |  |  |  | 2024 |  | 2023
Computation of Net Income per Share |  |  |  |  | (In millions, except per share data)
Net income |  |  |  |  | $ | 47.8 |  |  | $ | 154.0 |
Net loss attributable to noncontrolling interests |  |  |  |  | (0.8) |  |  | (2.3) |
Net income attributable to Olin Corporation |  |  |  |  | $ | 48.6 |  |  | $ | 156.3 |
Basic shares |  |  |  |  | 119.9 |  |  | 131.0 |
Basic net income attributable to Olin Corporation per share |  |  |  |  | $ | 0.41 |  |  | $ | 1.19 |
Diluted shares: |  |  |  |  |  |  |
Basic shares |  |  |  |  | 119.9 |  |  | 131.0 |
Stock-based compensation |  |  |  |  | 2.0 |  |  | 3.4 |
Diluted shares |  |  |  |  | 121.9 |  |  | 134.4 |
Diluted net income attributable to Olin Corporation per share |  |  |  |  | $ | 0.40 |  |  | $ | 1.16 |
The computation of dilutive shares does not include 2.0 million and 1.4 million shares for the three months ended March 31, 2024 and 2023, respectively, as their effect would have been anti-dilutive.

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