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Earnings per Share | 9 Months Ended
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Sep. 30, 2021
Earnings Per Share [Abstract] |
Earnings per Share |
6. | Earnings per Share
Basic earnings per share is computed by dividing net income (loss) attributable to shareholders by the weighted average number of shares of common stock and vested DSUs outstanding during the year. The computation of diluted earnings per share is similar to the computation of basic earnings per share, except that the numerator is increased for tax effected interest expense associated with our Convertible Notes and the denominator is increased for the assumed issuance of common shares upon conversion of the Convertible Notes under the if-converted method unless the effect is antidilutive. Additionally, diluted earnings per share includes the assumed exercise of dilutive options and the assumed issuance of unvested restricted stock units and performance-based awards for which the performance condition has been met as of the date of determination, using the treasury stock method unless the effect is antidilutive. The treasury stock method assumes that proceeds, including cash received from the exercise of employee stock options and the average unrecognized compensation expense for unvested share-based compensation awards, would be used to purchase the Company’s common stock at the average market price during the period. The following table summarizes net income (loss) attributable to shareholders and reconciles basic and diluted shares outstanding used in the earnings per share computations:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(In thousands) | 2021 |  | 2020 |  | 2021 |  | 2020
Net income (loss) attributable to shareholders | $ | 48,318 |  |  | $ | (65,840) |  |  | $ | 11,897 |  |  | $ | (9,438) |
Weighted average common shares outstanding – Basic | 44,861 |  |  | 44,166 |  |  | 44,664 |  |  | 43,720 |
Dilutive impact of share-based compensation awards 1 | 418 |  |  | — |  |  | 670 |  |  | — |
Weighted average common shares outstanding – Diluted | 45,279 |  |  | 44,166 |  |  | 45,334 |  |  | 43,720 |
1 For the three and nine months ended September 30, 2021, 0.7 million and 0.9 million, respectively, of outstanding share-based compensation awards were excluded from the computation of diluted earnings per share under the treasury stock method, as the effect of including these awards would be anti-dilutive. For the three and nine months ended September 30, 2020, 0.8 million and 0.7 million, respectively, of outstanding share-based compensation awards were excluded from the computation of diluted earnings per share under the treasury stock method, as the effect of including these awards would be anti-dilutive. It is the Company’s intention to settle all conversions of the Convertible Notes in shares of the Company’s common stock. Under the if-converted method, approximately 1.6 million shares of the Company’s common stock associated with the assumed conversion of these Convertible Notes as of the beginning of the period have been excluded from diluted shares outstanding for the three and nine months ended September 30, 2021 and 2020 as the effect of including such shares would be antidilutive.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3630-109257 + Details
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