Three Months Ended
September 30,

Nine Months Ended
September 30,

2026

2025

2026

2025

Components of net periodic pension benefit income

Service cost

$

1.2

$

1.3

$

3.5

$

3.8

Interest cost

4.4

4.5

13.3

13.4

Expected return on plan assets

(5.6

)

(5.4

)

(16.8

)

(16.2

)

Amortization of prior service cost

0.4

0.4

1.2

1.2

Amortization of net actuarial gain

(1.4

)

(1.5

)

(4.3

)

(4.3

)

Expenses paid

0.3

0.2

0.9

0.5

Net periodic pension benefit income

$

(0.7

)

$

(0.5

)

$

(2.2

)

$

(1.6

)

Components of net periodic post-employment benefit cost

Service cost

$

0.4

$

0.4

$

1.1

$

1.1

Interest cost

0.7

0.5

2.0

1.8

Amortization of prior service credit

(0.4

)

(0.4

)

(1.1

)

(1.1

)

Amortization of net actuarial (gain) loss

—

—

0.1

(0.1

)

Net periodic post-employment benefit cost

$

0.7

$

0.5

$

2.1

$

1.7