Three Months Ended September 30,

Nine Months Ended September 30,

2024

2023

2024

2023

Numerator:

Net income (loss), basic

$

(5.9

)

$

24.8

$

22.7

$

68.1

Add convertible notes interest

—

0.2

0.6

0.8

Net income (loss), diluted

$

(5.9

)

$

25.0

$

23.3

$

68.9

Denominator:

Weighted average shares outstanding, basic

43.1

44.1

43.4

44.0

Dilutive effect of stock-based awards

—

2.1

1.1

2.0

Dilutive effect of convertible notes

—

1.7

1.7

2.0

Weighted average shares outstanding, diluted

43.1

47.9

46.2

48.0

Basic earnings (loss) per share

$

(0.13

)

$

0.56

$

0.52

$

1.55

Diluted earnings (loss) per share

$

(0.13

)

$

0.51

$

0.49

$

1.43