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Pension and Non-pension Post-employment Benefit Plans (Tables)
 12 Months Ended
Dec. 31, 2022
Disclosure of information about defined benefit plans [abstract]  
Market Value of Plan Assets The table below presents the fair market value of defined pension and other benefit plan assets:
Fair Market
Value at
December 31
Actual Asset
Allocation (%)
at December 31
2021202220212022
Quoted market prices:
Debt investment funds
$10.6 $9.0 3 %4 %
Equity investment funds
7.6 6.4 2 %3 %
Non-quoted market prices:
Insurance annuities
328.7 182.0 91 %85 %
Other
15.0 16.7 4 %8 %
Total
$361.9 $214.1 100 %100 %
Summary of Financial Position of Pension and Other Benefit Plans The following tables provide a summary of the financial position of our defined pension and other benefit plans:
Pension Plans
Year ended
December 31
Other Benefit Plans
Year ended
December 31
2021202220212022
Plan assets, beginning of year
$378.1 $359.9 $2.0 $2.0 
Interest income
5.2 5.8 — — 
Actuarial gains (losses) in other comprehensive income (i)
(5.2)(112.0)— — 
Administrative expenses paid from plan assets
(0.8)(0.6)— — 
Employer contributions
4.7 4.0 0.8 0.8 
Employer direct benefit payments
1.4 0.1 1.7 2.4 
 Employer direct settlement payments— — 1.1 — 
Settlement payments from employer
— — (1.1)— 
     Settlement payments from plan— — (0.2)— 
Benefit payments from plan
(16.8)(10.4)(0.5)(0.4)
Benefit payments from employer
(1.4)(0.1)(1.7)(2.4)
Foreign currency exchange rate changes and other
(5.3)(34.9)(0.1)(0.1)
Plan assets, end of year
$359.9 $211.8 $2.0 $2.3 

(i)    Actuarial gains or losses are determined based on actual return on plan assets less interest income as set forth in the table above.
Pension Plans
Year ended
December 31
Other Benefit Plans
Year ended
December 31
2021202220212022
Accrued benefit obligations, beginning of year
$396.9 $373.9 $95.6 $89.1 
Current service cost
2.5 0.3 3.4 3.1 
     Past service cost (credit) and settlement/curtailment losses (i)
— — 0.3 — 
Interest cost
5.6 6.2 2.4 2.7 
Actuarial losses (gains) in other comprehensive income from:
— Changes in demographic assumptions
(1.1)(0.5)— (4.6)
— Changes in financial assumptions
(7.6)(124.7)(7.5)(15.7)
— Experience adjustments
— 7.5 0.1 (1.8)
     Settlement payments from employer— — (1.1)— 
     Settlement payments from plan— — (0.2)— 
Benefit payments from plan
(16.8)(10.4)(0.5)(0.4)
Benefit payments from employer
(1.4)(0.1)(1.7)(2.4)
Foreign currency exchange rate changes and other
(4.2)(35.3)(1.7)(3.7)
Accrued benefit obligations, end of year
$373.9 $216.9 $89.1 $66.3 
Weighted average duration of benefit obligations (in years)
18131210
(i)    The settlement losses relate to employee terminations in connection with 2021 restructuring actions.
    The present value of the defined benefit obligations, the fair value of plan assets and the surplus or deficit in our defined benefit pension and other benefit plans are summarized as follows:
Pension Plans
December 31
Other Benefit Plans
December 31
2021202220212022
Accrued benefit obligations, end of year
$(373.9)$(216.9)$(89.1)$(66.3)
Plan assets, end of year
359.9 211.8 2.0 2.3 
Reduction of plan assets due to IFRS restrictions described in note 2(l)
$(1.6)$(0.9)— — 
Deficiency of plan assets over accrued benefit obligations$(15.6)$(6.0)$(87.1)$(64.0)
Schedule of Amounts Reported in Balance Sheet The following table outlines the plan balances as reported on our consolidated balance sheets:
December 31, 2021December 31, 2022
Pension
Plans
Other
Benefit Plans
Total
Pension
Plans
Other
Benefit Plans
Total
Pension and non-pension post-employment benefit obligations
$(20.7)$(86.8)$(107.5)$(13.1)$(63.9)$(77.0)
Current other post-employment benefit obligations
— (0.3)(0.3)— (0.1)(0.1)
Non-current net pension assets (note 9)5.1 — 5.1 7.1 — 7.1 
$(15.6)$(87.1)$(102.7)$(6.0)$(64.0)$(70.0)
Net Expense Recognized In Consolidated Statement of Operations For Pension and Non-pension Post-employment Benefit Plans The following table outlines the net expense recognized in our consolidated statement of operations for pension and non-pension post-employment benefit plans:
Pension Plans
Year ended December 31
Other Benefit Plans
Year ended December 31
202020212022202020212022
Current service cost
$1.9 $2.5 $0.3 $3.2 $3.4 $3.1 
Net interest cost 0.5 0.4 0.4 2.4 2.4 2.7 
Past service cost (credit) and settlement/curtailment losses
(0.8)— — 2.3 0.3 — 
Plan administrative expenses and other
1.1 1.3 0.6 — — — 
2.7 4.2 1.3 7.9 6.1 5.8 
Defined contribution pension plan expense (note 18(c))10.6 11.6 12.3 — — — 
Total expense for the year
$13.3 $15.8 $13.6 $7.9 $6.1 $5.8 
Actuarial Gains and Losses, Net of Tax, Recognized in OCI and Reclassified
The following table outlines the gains and losses, net of tax, recognized in OCI and reclassified directly to deficit for the years shown:
Year ended December 31
202020212022
Cumulative losses, beginning of year$77.7 $87.0 $77.7 
Loss on pension annuity purchases (see note 18(a))0.2 — — 
Actuarial losses (gains) recognized during the year (i)
9.1 (9.3)(33.5)
Cumulative losses, end of year (ii)
$87.0 $77.7 $44.2 

(i)    Including a $5.0 income tax recovery for 2022 (2021 — nil ; 2020 — net of a $0.4 income tax recovery).
(ii)    Net of income tax recovery of $6.5 as at December 31, 2022 (December 31, 2021 and December 31, 2020 — net of a $1.5 income tax recovery).
Percentages and Assumptions Used in Measuring the Plans The following percentages and assumptions were used in measuring the plans for the years indicated:
Pension Plans
Other Benefit Plans
202020212022202020212022
Weighted average discount rate at December 31 (i) for:
Benefit obligations
1.4 1.8 4.9 2.5 3.2 4.9 
Net pension cost
2.1 1.4 1.8 2.9 2.5 3.2 
Weighted average rate of compensation increase for:
Benefit obligations
1.1 1.1 1.1 4.6 4.6 4.6 
Net pension cost
3.8 1.1 1.1 4.6 4.6 4.6 
Healthcare cost trend rates:
Immediate trend
— — — 5.3 5.2 5.1 
Ultimate trend
— — — 4.0 4.0 4.0 
Year the ultimate trend rate is expected to be achieved
— — — 204020402040
(i)     The weighted average discount rate is determined using publicly available rates for highly-rated bonds by currency in countries where we have a pension or non-pension benefit plan. A higher discount rate would decrease the present value of the benefit obligation, and a lower discount rate would increase the present value of the benefit obligation.
Disclosure of Sensitivity Analysis for Actuarial Assumptions A one percentage-point increase or decrease in one of the following actuarial assumptions, holding other assumptions constant in each case, would increase (decrease) our benefit obligations as follows:
Pension Plans
Other Benefit Plans
Year ended
December 31, 2022		Year ended
December 31, 2022
1% Increase
1% Decrease
1% Increase
1% Decrease
Discount rate
$(23.4)$28.7 $(6.2)$7.3 
Healthcare cost trend rate
$— $— $3.2 $(2.7)
Schedule of Plan Contributions We made the following plan contributions for the years indicated below and estimate our contribution for 2023 to be as follows:
Year ended December 31
Estimated Contribution*
2020202120222023
Defined contribution plan$10.6 $11.6 $12.3 $12.3 
Defined benefit plan5.1 6.1 4.1 3.2 
Total$15.7 $17.7 $16.4 $15.5 
Non-pension post-employment benefit plans (i)
$7.8 $3.6 $3.2 $4.3 
*    Our actual contributions could differ materially from these estimates.
(i)     Contributions for 2020 include higher settlement payments than in 2021 and 2022 as a result of higher employee terminations in connection with our restructuring actions during the year. See note 15(a).