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Consolidated Statement of Changes in Equity (Parenthetical) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Aggregate cost of SVS repurchased for cancellation | $ 35.6 |  | $ 34.6 |  | $ 35.9 |  |
Aggregate cost of SVS repurchased for delivery under SBC plans | 89.8 | [1] | 11.1 | [2] | 54.4 | [3] |
SVS |  |  |  |  |  |  |
Aggregate cost of SVS repurchased for cancellation | 35.6 |  | 34.6 |  | 35.9 |  |
Accrual for repurchase of stock under automatic share purchase plan | 2.7 |  |  |  |  |  |
Aggregate cost of SVS repurchased for delivery under SBC plans | $ 82.3 |  | $ 44.9 |  | 20.6 |  |
SVS issued during period as a result of conversion (in shares) | 18,600,000 |  |  |  |  |  |
SVS | 2021 SBC ASPP |  |  |  |  |  |  |
Accrual for repurchase of stock under automatic share purchase plan |  |  |  |  | 33.8 |  |
SVS | 2020 NCIB |  |  |  |  |  |  |
Accrual for repurchase of stock under automatic share purchase plan |  |  |  |  | $ 7.5 |  | $ 15.0
[1] | Consists of $82.3 paid to repurchase SVS for delivery obligations under our SBC plans in 2023 and $7.5 accrued at December 31, 2023 for the estimated Contractual Maximum Quantity under an ASPP executed in September 2023 for such purpose. See note 12.
[2] | Consists of $44.9 paid to repurchase SVS for delivery obligations under our SBC plans in 2022, offset in part by the reversal of the $33.8 2021 SBC Accrual. See note 12.
[3] | Consists of $20.6 paid to repurchase SVS for delivery obligations under our SBC plans in 2021, and $33.8 accrued as of December 31, 2021 for the estimated Contractual Maximum Quantity under an ASPP executed in December 2021 for such purpose (2021 SBC Accrual). See note 12.

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