Share-based compensation plans (Tables)

12 Months Ended

Dec. 31, 2023

Share-based compensation plans [Abstract]

Schedule of number of stock options and weighted average exercisable price

(Number of options)

2023

2022

Beginning of year

3,053,571

3,458,001

Options granted

-

-

Options expired

-

(2,475)

Options exercised [note 17]

(1,657,282)

(401,955)

End of year

1,396,289

3,053,571

Exercisable

1,396,289

3,053,571

2023

2022

Beginning of year

$15.75

$16.72

Options granted

-

-

Options expired

-

26.81

Options exercised 

16.62

23.96

End of year

$14.73

$15.75

Exercisable

$14.73

$15.75

Total options outstanding and exercisable

Options outstanding

Options exercisable

Option price per share

Number

Weighted

average

remaining

life

Weighted

average

exercisable

price

Number

Weighted

average

exercisable

price

$

11.32

 -

14.7

0

658,804

1.3

$14.08

658,804

$14.08

$

14.71

 -

16.38

737,485

3.0

$15.32

737,485

$15.32

1,396,289

1,396,289

Compensation expense under equity settled plans

2023

2022

Employee share ownership plan

$

4,460

$

3,541

Restricted share unit plan

3,692

3,273

Stock option plan

-

45

Total

$

8,152

$

6,859

Expenses (recoveries) cash-settled plans

2023

2022

Performance share unit plan

$

22,013

$

11,221

Restricted share unit plan

19,045

9,342

Deferred share unit plan

15,447

2,811

Phantom stock option plan

1,908

751

Phantom restricted share unit plan

812

244

Total

$

59,225

$

24,369

Equity-settled plan [Member]

Disclosure of terms and conditions of share-based payment arrangement [line items]

Inputs measurement fair value of share-based plans

Grant date

Mar 1/23

Number of options granted

129,623

Average strike price

$37.30

Expected forfeitures

11%

Weighted average grant date fair values

$37.30

Cash Settled Plan [Member]

Disclosure of terms and conditions of share-based payment arrangement [line items]

Inputs measurement fair value of share-based plans

Phantom

PSU

RSU

RSU

Number of units

232,160

162,930

9,997

Expected vesting

83%

-

-

Expected life of option

3

 years

3

 years

3

 years

Expected forfeitures

9%

8%

8%

Weighted average measurement date fair values

$37.30

$37.30

$37.30

Phantom

Phantom

stock options

PSU

RSU

RSU

Number of units

45,551

830,279

561,210

28,000

Expected vesting

-

70%

-

-

Average strike price

$12.29

-

-

-

Expected dividend

$0.12

-

-

$0.12

Expected volatility

48%

-

-

-

Risk-free interest rate

3.5%

-

-

-

Expected life of option

3.4

 years

0.8

 years

1.0

 years

1.0

 years

Expected forfeitures

7%

2%

8%

8%

Weighted average measurement date fair values

$46.08

$57.13

$57.13

$57.13