March 31,

December 31,

2024

2023

Foreign currency translation

$

(329.5

)

$

(261.2

)

Translation loss on long-term intercompany loans, net of income taxes of $19.1 on both dates

(133.5

)

(133.6

)

Gain (Loss) on derivative instruments, net of income tax benefit of $(10.8) and $(22.7), respectively

2.7

(37.6

)

Gain on interest rate swap, net of income taxes of $0.3 on both dates

1.0

1.1

Defined benefit pension plans, net of income tax benefit of $(23.1) and $(23.0), respectively

(37.3

)

(36.0

)

Retiree health care plan, net of income taxes of $2.0 on both dates

1.1

1.3

Accumulated other comprehensive loss

$

(495.5

)

$

(466.0

)