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Consolidated Statement of Changes in Equity - USD ($) $ in Millions | Total | Capital stock (note 13) | Treasury stock (note 13) | Contributed surplus | Deficit | Accumulated other comprehensive income (loss) | [1]
--- | --- | --- | --- | --- | --- | --- | ---
Equity, beginning balance at Dec. 31, 2014 | $ 1,394.9 | $ 2,609.5 | $ (21.4) | $ 677.1 | $ (1,845.3) | $ (25.0)
Capital transactions: |  |  |  |  |  |
Issuance of capital stock | 3.9 | 12.6 |  | (8.7) |  |
Repurchase of capital stock for cancellation | (370.4) | (528.2) |  | 157.8 |  |
Purchase of treasury stock for stock-based plans | (28.9) |  | (28.9) |  |  |
Stock-based compensation and other | 39.4 |  | 18.9 | 20.5 |  |
Total comprehensive income: |  |  |  |  |  |
Net earnings | 66.9 |  |  |  | 66.9 |
Gains (losses) on pension and non-pension post-employment benefit plans (note 19) | (7.0) |  |  |  | (7.0) |
Currency translation differences for foreign operations | (1.7) |  |  |  |  | (1.7)
Changes from derivatives designated as hedges | (6.1) |  |  |  |  | (6.1)
Equity, ending balance at Dec. 31, 2015 | 1,091.0 | 2,093.9 | (31.4) | 846.7 | (1,785.4) | (32.8)
Capital transactions: |  |  |  |  |  |
Issuance of capital stock | 4.1 | 6.4 |  | (2.3) |  |
Repurchase of capital stock for cancellation | (34.3) | (52.1) |  | 17.8 |  |
Purchase of treasury stock for stock-based plans | (18.2) |  | (18.2) |  |  |
Stock-based compensation and other | 34.7 |  | 34.3 | 0.4 |  |
Total comprehensive income: |  |  |  |  |  |
Net earnings | 136.3 |  |  |  | 136.3 |
Gains (losses) on pension and non-pension post-employment benefit plans (note 19) | 17.1 |  |  |  | 17.1 |
Currency translation differences for foreign operations | 0.0 |  |  |  |  |
Changes from derivatives designated as hedges | 8.1 |  |  |  |  | 8.1
Equity, ending balance at Dec. 31, 2016 | 1,238.8 | 2,048.2 | (15.3) | 862.6 | (1,632.0) | (24.7)
Capital transactions: |  |  |  |  |  |
Issuance of capital stock | 13.6 | 30.4 |  | (16.8) |  |
Repurchase of capital stock for cancellation | (19.9) | (30.3) |  | 10.4 |  |
Purchase of treasury stock for stock-based plans | (16.7) |  | (16.7) |  |  |
Stock-based compensation and other | 30.1 |  | 23.3 | 6.8 |  |
Total comprehensive income: |  |  |  |  |  |
Net earnings | 105.0 |  |  |  | 105.0 |
Gains (losses) on pension and non-pension post-employment benefit plans (note 19) | (18.2) |  |  |  | (18.2) |
Currency translation differences for foreign operations | 0.7 |  |  |  |  | 0.7
Changes from derivatives designated as hedges | 17.3 |  |  |  |  | 17.3
Equity, ending balance at Dec. 31, 2017 | $ 1,350.7 | $ 2,048.3 | $ (8.7) | $ 863.0 | $ (1,545.2) | $ (6.7)
[1] | Accumulated other comprehensive income (loss) is net of tax. See note 14.

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