Three Months Ended
June 30,

Six Months Ended
June 30,

(in millions)

2025

2024

2025

2024

Service credit/(cost)

$

(1.2

)

$

(0.9

)

$

(2.4

)

$

(1.7

)

Interest cost on projected benefit obligation

—

(4.6

)

(0.1

)

(9.3

)

Expected return on plan assets

—

6.4

—

12.8

Amortization of prior service cost

—

(0.2

)

—

(0.3

)

Amortization of actuarial net gains

—

—

—

0.1

Net periodic benefit/(cost)

$

(1.2

)

$

0.7

$

(2.5

)

$

1.6