Three Months Ended

Six Months Ended

June 30,

Numerator:

2025

2024

2025

2024

Net income

$

241.5

$

198.9

$

445.3

$

345.9

Less: Distributed and undistributed earnings allocated to participating
   securities

(1.6

)

(1.4

)

(3.0

)

(2.5

)

Net income attributable to common shareholders

$

239.9

$

197.5

$

442.3

$

343.4

Denominator:

Weighted average basic common shares outstanding

89.3

89.1

89.3

89.1

Effect of dilutive securities

0.4

0.4

0.4

0.4

Weighted average diluted common shares outstanding

89.7

89.5

89.7

89.5

Basic income per common share

$

2.68

$

2.22

$

4.95

$

3.86

Diluted income per common share

$

2.67

$

2.21

$

4.93

$

3.84