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Consolidated Statement of Changes in Equity - USD ($) $ in Millions | Total | Currency forward | Interest rate swap | Capital stock (note 13) | Treasury stock (note 13) | Contributed surplus | Deficit | Accumulated other comprehensive income (loss) | [1] | Accumulated other comprehensive income (loss) Currency forward | [1] | Accumulated other comprehensive income (loss) Interest rate swap
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Equity, beginning balance (Previously stated) at Dec. 31, 2017 | $ 1,370.2 |  |  | $ 2,048.3 | $ (8.7) | $ 863.0 | $ (1,525.7) | $ (6.7) |  |  |
Capital transactions: |  |  |  |  |  |  |  |  |  |  |
Issuance of capital stock | 0.4 |  |  | 14.9 |  | (14.5) |  |  |  |  |
Repurchase of capital stock for cancellation | (75.5) |  |  | (109.1) |  | 33.6 |  |  |  |  |
Purchase of treasury stock for stock-based plans | (22.4) |  |  |  | (22.4) |  |  |  |  |  |
Equity-settled stock-based compensation (SBC) | 35.4 |  |  |  | 10.9 | 24.5 |  |  |  |  |
Total comprehensive income: |  |  |  |  |  |  |  |  |  |  |
Net earnings | 98.9 |  |  |  |  |  | 98.9 |  |  |  |
Losses on pension and non-pension post-employment benefit plans | (54.9) |  |  |  |  |  | (54.9) |  |  |  |
Currency translation differences for foreign operations | 0.1 |  |  |  |  |  |  | 0.1 |  |  |
Changes from derivatives designated as hedges |  | $ (15.5) | $ (4.4) |  |  |  |  |  | $ (15.5) | $ (4.4) |
Equity, ending balance at Dec. 31, 2018 | 1,332.3 |  |  | 1,954.1 | (20.2) | 906.6 | (1,481.7) | (26.5) |  |  |
Total comprehensive income: |  |  |  |  |  |  |  |  |  |  |
Changes from derivatives designated as hedges |  | (15.5) | (4.4) |  |  |  |  |  | (15.5) | (4.4) |
Issuance of capital stock | 0.0 |  |  | 10.4 |  | (10.4) |  |  |  |  |
Repurchase of capital stock for cancellation | (67.3) |  |  | (132.4) |  | 65.1 |  |  |  |  |
Purchase of treasury stock for stock-based plans | (9.2) |  |  |  | (9.2) |  |  |  |  |  |
Equity-settled stock-based compensation (SBC) | 35.9 |  |  |  | 14.6 | 21.3 |  |  |  |  |
Net earnings | 70.3 |  |  |  |  |  | 70.3 |  |  |  |
Losses on pension and non-pension post-employment benefit plans | (8.7) |  |  |  |  |  | (8.7) |  |  |  |
Currency translation differences for foreign operations | (0.2) |  |  |  |  |  |  | (0.2) |  |  |
Changes from derivatives designated as hedges |  | 10.8 | (7.7) |  |  |  |  |  | 10.8 | (7.7) | [1]
Equity, ending balance at Dec. 31, 2019 | 1,356.2 |  |  | 1,832.1 | (14.8) | 982.6 | (1,420.1) | (23.6) |  |  |
Total comprehensive income: |  |  |  |  |  |  |  |  |  |  |
Changes from derivatives designated as hedges |  | 10.8 | (7.7) |  |  |  |  |  | 10.8 | (7.7) | [1]
Issuance of capital stock | 0.0 |  |  | 2.2 |  | (2.2) |  |  |  |  |
Repurchase of capital stock for cancellation | (15.1) |  |  | (0.1) |  | (15.0) |  |  |  |  |
Purchase of treasury stock for stock-based plans | (19.1) |  |  |  | (19.1) |  |  |  |  |  |
Equity-settled stock-based compensation (SBC) | 27.3 |  |  |  | 18.2 | 9.1 |  |  |  |  |
Net earnings | 60.6 |  |  |  |  |  |  |  |  |  |
Losses on pension and non-pension post-employment benefit plans | (9.3) |  |  |  |  |  | (9.3) |  |  |  |
Currency translation differences for foreign operations | 4.3 |  |  |  |  |  |  | 4.3 |  |  |
Changes from derivatives designated as hedges |  | 8.5 | (4.4) |  |  |  |  |  | 8.5 | (4.4) | [1]
Equity, ending balance at Dec. 31, 2020 | 1,409.0 |  |  | $ 1,834.2 | $ (15.7) | $ 974.5 | $ (1,368.8) | $ (15.2) |  |  |
Total comprehensive income: |  |  |  |  |  |  |  |  |  |  |
Changes from derivatives designated as hedges |  | $ 8.5 | $ (4.4) |  |  |  |  |  | $ 8.5 | $ (4.4) | [1]
Accrual for repurchase of stock under automatic share purchase plan | 15.0 |  |  |  |  |  |  |  |  |  |
Accrual for repurchase of stock under automatic share purchase plan | $ 15.0 |  |  |  |  |  |  |  |  |  |
[1] | Accumulated other comprehensive loss is net of tax. See note 14.(b) Includes an accrual of $15.0 for then-anticipated commitments under an automatic share purchase plan executed in December 2020 (described in note 13).

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