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Shareholders' equity (Tables)
6 Months Ended
Jun. 30, 2022
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Schedule of changes in share capital

Number

  

  

of shares

  

  

Amount

 

Balance at January 1, 2021

 

190,956,476

$

5,580.1

Exercise of stock options

5,614

0.5

Vesting of restricted share units

58,457

6.1

Dividend reinvestment plan

313,845

41.8

Balance at December 31, 2021

191,334,392

$

5,628.5

Exercise of stock options

71,741

$

6.7

Dividend reinvestment plan

150,240

21.8

Balance at June 30, 2022

191,556,373

$

5,657.0

Schedule of dividends paid

For the three months ended

For the six months ended

  

June 30, 

June 30, 

  

    

2022

    

2021

  

  

2022

  

  

2021

  

Cash dividends

$

51.3

$

45.2

$

101.4

$

87.0

DRIP dividends

 

9.7

 

11.4

 

21.8

 

19.5

$

61.0

$

56.6

$

123.2

$

106.5