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CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Millions | Common share capital | Contributed surplus | Accumulated deficit | Accumulated other comprehensive income (loss) | Total accumulated deficit and accumulated other comprehensive income (loss) | Total common shareholders' equity | Non-controlling interest | Total
--- | --- | --- | --- | --- | --- | --- | --- | ---
Adjusted balance at the beginning of the period |  |  | $ (11,026.1) | $ 39.1 |  |  |  |
Balance at the beginning of the period at Dec. 31, 2016 | $ 14,894.2 | $ 238.3 | (11,026.1) | 39.1 |  |  | $ 38.8 |
Transfer from contributed surplus on exercise of restricted shares | 7.2 |  |  |  |  |  |  |
Options exercised, including cash | 1.1 |  |  |  |  |  |  |
Share-based compensation |  | 13.6 |  |  |  |  |  |
Transfer of fair value of exercised options and restricted shares |  | (11.2) |  |  |  |  |  |
Net (loss) earnings attributable to common shareholders |  |  | 445.4 |  |  |  |  | $ 445.4
Other comprehensive income (loss) |  |  |  | (18.0) |  |  |  | (18.0)
Net earnings (loss) attributable to non-controlling interest |  |  |  |  |  |  | (3.2) | (3.2)
Balance at the end of the period at Dec. 31, 2017 | 14,902.5 | 240.7 | (10,580.7) | 21.1 | $ (10,559.6) | $ 4,583.6 | 35.6 | 4,619.2
Adjustment on initial application of IFRS 9 | Initial application of IFRS 9 |  |  | 56.3 | (56.3) |  |  |  |
Balance at the beginning of the period at Dec. 31, 2017 | 14,902.5 | 240.7 | (10,580.7) | 21.1 | (10,559.6) | 4,583.6 | 35.6 | 4,619.2
Adjustment on initial application of IFRS 9 | Initial application of IFRS 9 |  |  |  | (56.3) |  |  |  |
Adjustment on initial application of IFRS 9 |  |  |  |  |  |  |  | (56.3)
Transfer from contributed surplus on exercise of restricted shares | 10.0 |  |  |  |  |  |  |
Options exercised, including cash | 0.9 |  |  |  |  |  |  |
Share-based compensation |  | 14.6 |  |  |  |  |  |
Transfer of fair value of exercised options and restricted shares |  | (15.5) |  |  |  |  |  |
Net (loss) earnings attributable to common shareholders |  |  | (23.6) |  |  |  |  | (23.6)
Other comprehensive income (loss) |  |  |  | (82.8) |  |  |  | (82.8)
Losses on cash flow hedges transferred to cost of non-financial assets |  |  |  | 19.5 |  |  |  |
Net earnings (loss) attributable to non-controlling interest |  |  |  |  |  |  | (2.0) | (2.0)
Dividend paid to non-controlling interest |  |  |  |  |  |  | (13.0) |
Balance at the end of the period at Dec. 31, 2018 | $ 14,913.4 | $ 239.8 | (10,548.0) | (98.5) | $ (10,646.5) | $ 4,506.7 | $ 20.6 | $ 4,527.3
Adjusted balance at the beginning of the period |  |  | $ (10,524.4) | $ (35.2) |  |  |  |

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