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Employee benefit plans (Tables)
12 Months Ended
Dec. 31, 2020
Employee benefit plans  
Schedule of components of net annual periodic pension cost

    

2020

    

2019

Service cost benefits earned

$

0.3

$

0.3

Interest cost on benefit obligation

 

0.4

 

0.5

Expected return on plan assets

 

(0.7)

 

(0.7)

Amortization of actuarial loss

0.1

Settlements

0.3

Net period benefit cost

$

0.1

$

0.4

Schedule of comparison of the pension benefit obligation and related plan assets

    

2020

    

2019

 

Projected benefit obligation at January 1

$

(14.1)

$

(13.2)

Service cost

 

(0.3)

 

(0.3)

Interest cost

 

(0.4)

 

(0.5)

Actuarial loss

 

(2.3)

 

(2.0)

Employee contributions

 

(0.1)

 

(0.1)

Benefits paid

 

0.3

 

0.2

Settlements

2.4

Foreign currency adjustment

 

(0.5)

 

(0.6)

Projected benefit obligation at December 31

 

(17.4)

 

(14.1)

Fair value of plan assets at January 1

$

12.9

$

12.0

Actual return on plan assets

 

1.2

 

2.0

Employer contributions

 

0.2

 

0.8

Employee contributions

 

0.1

 

0.1

Benefits paid

 

(0.3)

 

(0.2)

Settlements

(2.4)

Foreign currency adjustment

 

0.2

 

0.6

Fair value of plan assets at December 31

 

14.3

 

12.9

Funded status at December 31-excess of obligation over assets

$

(3.1)

$

(1.2)

Schedule of amount recognized in the balance sheet

    

2020

    

2019

 

Non-current liabilities

$

3.1

$

1.2

Schedule of amounts recognized in accumulated OCI that have not yet been recognized as components of net periodic benefit cost

    

2020

    

2019

 

Unrecognized loss

$

(3.1)

$

(1.7)

Schedule of the balances of significant components of the pension plan

    

2020

    

2019

 

Projected benefit obligation

$

17.4

$

14.1

Accumulated benefit obligation

 

16.4

 

12.9

Fair value of plan assets

 

14.3

 

12.9

Schedule of assumptions used to calculate benefit obligations and expense

The following table presents the significant assumptions used to calculate our benefit obligations:

    

2020

2019

Weighted-Average Assumptions

Discount rate

 

2.50

%

3.25

%

Rate of compensation increase

 

2.0

%

2.0

%

The following table presents the significant assumptions used to calculate our benefit expense:

    

2020

    

2019

Weighted-Average Assumptions

Discount rate

 

3.3

%

4.0

%

Rate of return on plan assets

 

5.5

%

5.8

%

Rate of compensation increase

 

2.0

%

2.0

%

Schedule of pension plan assets weighted average allocations in the common collective trust

    

2020

    

2019

 

Canadian equity

 

31

%

30

%

U.S. equity

 

14

%

14

%

International equity

 

17

%

14

%

Canadian fixed income

 

38

%

39

%

Real estate equities

%

3

%

 

100

%

100

%

Schedule of expected future benefit payments

Years ending December 31,

    

 

2021

Cdn$

0.5

2022

 

0.5

2023

 

0.6

2024

 

0.6

2025

 

0.6

2026-2030

 

4.0