v3.8.0.1

Earnings Per Share | 12 Months Ended
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Dec. 31, 2016
Earnings Per Share [Abstract] |
Earnings Per Share | Earnings Per Share The net income available for common shareholders and earnings per common share presented in the table below excludes the results of operations of the Entities under Common Control which were purchased solely with cash (see note 3).
| Year Ended December 31,
| 2016 $ |  | 2015 $ |  | 2014 $
Net income | 67,823 |  |  | 183,626 |  |  | 68,906 |
Less: Net income attributable to the Entities under Common Control (1) | — |  |  | (2,708 | ) |  | (3,396 | )
Net income available for common shareholders | 67,823 |  |  | 180,918 |  |  | 65,510 |
Weighted-average number of common shares - basic (2) | 170,098,572 |  |  | 143,911,452 |  |  | 99,657,909 |
Dilutive effect of stock-based awards | 242,067 |  |  | 581,481 |  |  | 364,452 |
Weighted average number of common shares - diluted (2) | 170,340,639 |  |  | 144,492,933 |  |  | 100,022,361 |
Earnings per common share: |  |  |  |  |
- Basic | 0.40 |  |  | 1.26 |  |  | 0.66 |
- Diluted | 0.40 |  |  | 1.25 |  |  | 0.65 |
(1) Includes net income of the 2015 Acquired Business of $2.7 million and $3.4 million, respectively, for the years ended December 31, 2015 and 2014. (2) The weighted-average number of common shares outstanding for periods prior to May 2017 has been retroactively adjusted to include the approximately 13.8 million shares of the Company's Class B common stock issued to Teekay as consideration for the acquisition of 50% of TTOL in May 2017. Stock-based awards, which have an anti-dilutive effect on the calculation of diluted earnings per common share, are excluded from this calculation. For the years ended December 31, 2016, 14 thousand restricted stock units (2015 - nil, 2014 - nil) had an anti-dilutive effect on the calculation of diluted earnings per common share. For the years ended December 31, 2016, 2015, and 2014, options to acquire 0.7 million shares, 44 thousand shares, and 0.1 million shares of the Company’s Class A common stock, respectively, had an anti-dilutive effect on the calculation of diluted earnings per common share.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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