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Earnings Per Share Attributable to Common Stockholders (Tables)
3 Months Ended
Mar. 31, 2023
Earnings Per Share Attributable to Common Stockholders  
Computation of Basic and Diluted Earnings Per Share

Three months ended

March 31, 

2023

    

2022

Net (loss) income available to common stockholders

$

(34.2)

$

178.1

Denominator:

Basic weighted average share outstanding

120,487,251

110,647,700

Effect of dilutive securities:

Share units

450,259

Stock options

557,902

Diluted average shares outstanding

120,487,251

111,655,861

Net (loss) income per share attributable to common shares:

Basic

$

(0.28)

$

1.61

Diluted

$

(0.28)

$

1.60

Schedule of anti-dilutive securities

Three months ended

March 31, 

2023

2022

Share units

631,409

Stock options

541,082

Preferred stock (as converted to common stock)

6,775,252

Total

7,947,743