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Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Numerator: |  |  |
Net income attributable to Reliance | $ 875.2 | $ 1,335.9 | $ 1,840.1
Denominator: |  |  |
Weighted average shares outstanding (in shares) | 55,746,000 | 58,328,000 | 60,559,000
Dilutive effect of stock-based awards (in shares) | 500,000 | 687,000 | 936,000
Weighted average diluted shares outstanding (in shares) | 56,246,000 | 59,015,000 | 61,495,000
Earnings per share attributable to Reliance stockholders - basic (in dollars per share) | $ 15.7 | $ 22.9 | $ 30.39
Earnings per share attributable to Reliance stockholders - diluted (in dollars per share) | $ 15.56 | $ 22.64 | $ 29.92
Diluted shares |  |  |
Weighted average shares, respectively, for RSUs and PSUs, not included in the diluted calculation due to their anti-dilutive effect | 30,183 | 51,409 | 83,857

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