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Earnings per Share (Tables) | 9 Months Ended
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Sep. 30, 2021
Earnings Per Share [Abstract] |
Number of Shares Outstanding for Calculation of Earnings Per Share | The computational components of basic and diluted earnings per share for the three-month periods ended September 30, are below.
|  | 2021 |  |  | 2020 |
(table only in thousands) Numerator (for basic and diluted earnings per share) |  |  |  |  |  |
Net loss attributable to CECO Environmental Corp. |  | $ | (1,249 | ) |  | $ | (239 | )
Denominator |  |  |  |  |  |
Basic weighted-average shares outstanding |  |  | 35,472 |  |  |  | 35,359 |
Common stock equivalents arising from stock options and restricted stock awards |  |  | — |  |  |  | — |
Diluted weighted-average shares outstanding |  |  | 35,472 |  |  |  | 35,359 |
The computational components of basic and diluted earnings per share for the nine-month periods ended September 30, are below.
|  | 2021 |  |  | 2020 |
(table only in thousands) Numerator (for basic and diluted earnings per share) |  |  |  |  |  |
Net income attributable to CECO Environmental Corp. |  | $ | 224 |  |  | $ | 6,431 |
Denominator |  |  |  |  |  |
Basic weighted-average shares outstanding |  |  | 35,463 |  |  |  | 35,264 |
Common stock equivalents arising from stock options and restricted stock awards |  |  | 267 |  |  |  | 208 |
Diluted weighted-average shares outstanding |  |  | 35,730 |  |  |  | 35,472 |

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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=124432515&loc=d3e3550-109257 + Details
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