Three months ended

Six months ended

June 30,

2023

2024

2023

2024

(In thousands)

Accumulated other comprehensive loss, (net of tax and noncontrolling interest):

Currency translation:

Balance at beginning of period

$

(179,857)

$

(182,085)

$

(178,191)

$

(177,119)

Other comprehensive income (loss)

(1,219)

466

(2,885)

(4,500)

Balance at end of period

$

(181,076)

$

(181,619)

$

(181,076)

$

(181,619)

Defined benefit pension plans:

Balance at beginning of period

$

(43,464)

$

(40,994)

$

(43,857)

$

(41,373)

Other comprehensive income -

Amortization of prior service cost and net losses included in
net periodic pension cost

534

378

927

757

Plan settlement

4,142

—

4,142

—

Balance at end of period

$

(38,788)

$

(40,616)

$

(38,788)

$

(40,616)

OPEB plans:

Balance at beginning of period

$

(953)

$

(1,161)

$

(893)

$

(1,114)

Other comprehensive loss -

Amortization of net gain included in net periodic
OPEB cost

(58)

(45)

(118)

(92)

Balance at end of period

$

(1,011)

$

(1,206)

$

(1,011)

$

(1,206)

Marketable debt securities:

Balance at beginning of period

$

(94)

$

—

$

(50)

$

(15)

Other comprehensive income (loss) - unrealized gain (loss)
arising during the period

(129)

7

(173)

22

Balance at end of period

$

(223)

$

7

$

(223)

$

7

Total accumulated other comprehensive loss:

Balance at beginning of period

$

(224,368)

$

(224,240)

$

(222,991)

$

(219,621)

Other comprehensive income (loss)

3,270

806

1,893

(3,813)

Balance at end of period

$

(221,098)

$

(223,434)

$

(221,098)

$

(223,434)