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Consolidated Statements of Shareholders' Equity $ in Millions | CAD ($) | Shares Outstanding/Share Capital CAD ($) shares | Contributed Surplus CAD ($) | Retained Earnings CAD ($) | Accumulated Other Comprehensive Income (Loss) CAD ($)
--- | --- | --- | --- | --- | ---
Beginning balance (Previously stated) at Dec. 31, 2018 | $ 1,906.9 | $ 867.8 | $ 24.8 | $ 851.2 | $ 163.1
Beginning balance (Increase (decrease) due to changes in accounting policy required by IFRSs) at Dec. 31, 2018 | (31.2) |  |  | (31.2) |
Beginning balance at Dec. 31, 2018 | 1,875.7 | $ 867.8 | 24.8 | 820.0 | 163.1
Beginning balance (in shares) (Previously stated) at Dec. 31, 2018 | shares |  | 111,860,105 |  |  |
Beginning balance (in shares) at Dec. 31, 2018 | shares |  | 111,860,105 |  |  |
Net income | 194.4 |  |  | 194.4 |
Other comprehensive loss | (109.0) |  |  |  | (109.0)
Total comprehensive income for the year, net of tax | 85.4 |  |  | 194.4 | (109.0)
Share options exercised for cash | $ 18.9 | $ 18.9 |  |  |
Share options exercised for cash (in shares) | 753,583 | 753,583 |  |  |
Share-based compensation expense | $ 3.4 |  | 3.4 |  |
Shares repurchased under Normal Course Issuer Bid | (43.2) | $ (10.9) | (0.3) | (32.0) |
Shares repurchased under Normal Course Issuer Bid (in shares) | shares |  | (1,400,713) |  |  |
Reclassification of fair value of share options previously expensed |  | $ 4.0 | (4.0) |  |
Dividends declared | (64.7) |  |  | (64.7) |
Ending balance at Dec. 31, 2019 | 1,875.5 | $ 879.8 | 23.9 | 917.7 | 54.1
Ending balance (in shares) at Dec. 31, 2019 | shares |  | 111,212,975 |  |  |
Net income | 171.1 |  |  | 171.1 |
Other comprehensive loss | (29.3) |  |  |  | (29.3)
Total comprehensive income for the year, net of tax | 141.8 |  |  | 171.1 | (29.3)
Share options exercised for cash | $ 58.5 | $ 58.5 |  |  |
Share options exercised for cash (in shares) | 1,840,320 | 1,840,320 |  |  |
Share-based compensation expense | $ 0.1 |  | 0.1 |  |
Shares repurchased under Normal Course Issuer Bid | (78.3) | $ (16.8) | (0.4) | (61.1) |
Shares repurchased under Normal Course Issuer Bid (in shares) | shares |  | (2,047,948) |  |  |
Reclassification of fair value of share options previously expensed |  | $ 10.7 | (10.7) |  |
Dividends declared | (69.1) |  |  | (69.1) |
Ending balance at Dec. 31, 2020 | $ 1,928.5 | $ 932.2 | $ 12.9 | $ 958.6 | $ 24.8
Ending balance (in shares) at Dec. 31, 2020 | shares |  | 111,005,347 |  |  |

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