v3.5.0.2

Basic and diluted earnings (loss) per share (Tables) | 9 Months Ended
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Sep. 30, 2016
Basic and diluted (loss) earnings per share |
Schedule of diluted net income and potentially dilutive shares utilized in the per share calculation |
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
|  | 2016 |  | 2015 |  | 2016 |  | 2015
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Loss from continuing operations attributable to Atlantic Power Corporation |  | $ | (82.4) |  | $ | (5.5) |  | $ | (116.2) |  | $ | (5.5)
(Loss) income from discontinued operations, net of tax |  |  | — |  |  | (0.5) |  |  | — |  |  | 31.6
Net (loss) income attributable to Atlantic Power Corporation |  | $ | (82.4) |  | $ | (6.0) |  | $ | (116.2) |  | $ | 26.1
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average basic shares outstanding |  |  | 119.3 |  |  | 122.1 |  |  | 120.9 |  |  | 121.8
Dilutive potential shares: |  |  |  |  |  |  |  |  |  |  |  |
Convertible debentures |  |  | 8.1 |  |  | 22.4 |  |  | 14.9 |  |  | 22.8
LTIP notional units |  |  | 0.1 |  |  | 0.1 |  |  | 0.1 |  |  | 0.1
Potentially dilutive shares |  |  | 127.5 |  |  | 144.6 |  |  | 135.9 |  |  | 144.7
Diluted loss per share from continuing operations attributable to Atlantic Power Corporation |  | $ | (0.69) |  | $ | (0.05) |  | $ | (0.96) |  | $ | (0.05)
Diluted earnings per share from discontinued operations |  |  | — |  |  | — |  |  | — |  |  | 0.26
Diluted (loss) earnings per share attributable to Atlantic Power Corporation |  | $ | (0.69) |  | $ | (0.05) |  | $ | (0.96) |  | $ | 0.21

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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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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