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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2020
Earnings Per Share |
Computation of basic and diluted earnings per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Three Months Ended | ​ | Nine Months Ended
​ | September 30, | ​ | September 30,
​ | 2020 |  | 2019 | ​ | 2020 | ​ | 2019
​ | (in millions, except number of shares which are reflected in thousands and per share amounts)
Numerator: | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​
Net income attributable to Reliance | $ | 97.6 |  | $ | 162.7 |  | $ | 239.5 |  | $ | 535.9
Denominator: | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​
Weighted average shares outstanding | ​ | 63,758 |  | ​ | 66,656 |  | ​ | 64,578 |  | ​ | 66,941
Dilutive effect of stock-based awards | ​ | 930 |  | ​ | 1,048 |  | ​ | 925 |  | ​ | 927
Weighted average diluted shares outstanding | ​ | 64,688 |  | ​ | 67,704 |  | ​ | 65,503 |  | ​ | 67,868
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Earnings per share attributable to Reliance stockholders: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Diluted | $ | 1.51 | ​ | $ | 2.40 | ​ | $ | 3.66 | ​ | $ | 7.90
Basic | $ | 1.53 | ​ | $ | 2.44 | ​ | $ | 3.71 | ​ | $ | 8.01

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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