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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands | Total | Share capital | Contributed surplus | Accumulated other comprehensive income (loss) | Retained earnings
--- | --- | --- | --- | --- | ---
Balance (in shares) at Jan. 01, 2017 |  | 230,218,000 |  |  |
Balance at Jan. 01, 2017 | $ 2,119,647 | $ 152,313 | $ 23,198 | $ 40,611 | $ 1,903,525
Changes in equity [abstract] |  |  |  |  |
Share-based compensation | 15,706 |  | 15,706 |  |
Shares issued under employee share purchase plan (in shares) |  | 58,000 |  |  |
Shares issued under employee share purchase plan | 1,671 | $ 1,671 |  |  |
Shares issued pursuant to exercise of stock options (in shares) |  | 269,000 |  |  |
Shares issued pursuant to exercise of stock options | 3,390 | $ 5,304 | (1,914) |  |
Shares issued or distributed pursuant to vesting of restricted share units (in shares) |  | 364,000 |  |  |
Shares issued or distributed pursuant to vesting of restricted share units | $ (4,520) | $ 7,709 | (12,229) |  |
Shares repurchased for cancellation (note 13(d)) (in shares) | (11,512,267) | (11,512,000) |  |  |
Shares repurchased for cancellation (note 13(d)) | $ (328,616) | $ (7,692) |  |  | (320,924)
Share repurchases for settlement of non-Treasury RSUs (note 13(e)) (in shares) |  | (198,000) |  |  |
Share repurchases for settlement of non-Treasury RSUs (note 13(e)) | (6,280) | $ (135) |  |  | (6,145)
Dividends declared | (84,822) |  | 447 |  | (85,269)
Transactions with shareholders of the Company recognized directly in equity (in shares) |  | (11,019,000) |  |  |
Transactions with shareholders of the Company recognized directly in equity | (403,471) | $ 6,857 | 2,010 |  | (412,338)
Cash flow hedges (note 14(d)) | (27,071) |  |  | (27,071) |
Actuarial loss on employee benefit obligations (note 12(a)) | (64) |  |  |  | (64)
Net earnings | 362,334 |  |  |  | 362,334
Comprehensive income | $ 335,199 |  |  | (27,071) | 362,270
Balance (in shares) at Dec. 31, 2017 | 219,198,989 | 219,199,000 |  |  |
Balance at Dec. 31, 2017 | $ 2,051,375 | $ 159,170 | 25,208 | 13,540 | 1,853,457
Changes in equity [abstract] |  |  |  |  |
Share-based compensation | 19,351 |  | 19,351 |  |
Shares issued under employee share purchase plan (in shares) |  | 57,000 |  |  |
Shares issued under employee share purchase plan | 1,722 | $ 1,722 |  |  |
Shares issued pursuant to exercise of stock options (in shares) |  | 110,000 |  |  |
Shares issued pursuant to exercise of stock options | 1,683 | $ 2,412 | (729) |  |
Shares issued or distributed pursuant to vesting of restricted share units (in shares) |  | 226,000 |  |  |
Shares issued or distributed pursuant to vesting of restricted share units | $ (6,142) | $ 5,952 | (12,094) |  |
Shares repurchased for cancellation (note 13(d)) (in shares) | (12,634,693) | (12,635,000) |  |  |
Shares repurchased for cancellation (note 13(d)) | $ (367,529) | $ (9,231) |  |  | (358,298)
Share repurchases for settlement of non-Treasury RSUs (note 13(e)) (in shares) |  | (225,000) |  |  |
Share repurchases for settlement of non-Treasury RSUs (note 13(e)) | (7,229) | $ (167) |  |  | (7,062)
Dividends declared | (94,566) |  | 754 |  | (95,320)
Transactions with shareholders of the Company recognized directly in equity (in shares) |  | (12,467,000) |  |  |
Transactions with shareholders of the Company recognized directly in equity | (452,710) | $ 688 | 7,282 |  | (460,680)
Cash flow hedges (note 14(d)) | (10,158) |  |  | (10,158) |
Actuarial loss on employee benefit obligations (note 12(a)) | (1,694) |  |  |  | (1,694)
Net earnings | 350,774 |  |  |  | 350,774
Comprehensive income | $ 338,922 |  |  | (10,158) | 349,080
Balance (in shares) at Dec. 30, 2018 | 206,732,436 | 206,732,000 |  |  |
Balance at Dec. 30, 2018 | $ 1,936,072 | $ 159,858 | $ 32,490 | $ 3,382 | $ 1,740,342

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