March 31,

December 31,

2023

2022

Foreign currency translation

$

(322.7

)

$

(369.7

)

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

(132.9

)

(132.8

)

Gain on derivative instruments, net of income tax benefit of $(8.1) and $(5.3), respectively

14.7

53.4

Gain on interest rate swap, net of income taxes of $0.4 on both dates

1.3

1.4

Defined benefit pension plans, net of income tax benefit of $(20.3) and $(20.4), respectively

(13.0

)

(12.2

)

Retiree health care plan, net of income taxes of $1.9 on both dates

1.0

1.2

Accumulated other comprehensive loss

$

(451.6

)

$

(458.7

)