Three months ended

Six months ended

June 30,

2024

2025

2024

2025

(In thousands)

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

Currency translation:

Balance at beginning of period

$

(182,085)

$

(181,238)

$

(177,119)

$

(185,423)

Other comprehensive income (loss)

466

3,437

(4,500)

7,622

Balance at end of period

$

(181,619)

$

(177,801)

$

(181,619)

$

(177,801)

Defined benefit pension plans:

Balance at beginning of period

$

(40,994)

$

(36,349)

$

(41,373)

$

(36,666)

Other comprehensive income -

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

378

323

757

640

Balance at end of period

$

(40,616)

$

(36,026)

$

(40,616)

$

(36,026)

OPEB plans:

Balance at beginning of period

$

(1,161)

$

(1,300)

$

(1,114)

$

(1,267)

Other comprehensive loss -

Amortization of net gain included in net periodic OPEB cost

(45)

(31)

(92)

(64)

Balance at end of period

$

(1,206)

$

(1,331)

$

(1,206)

$

(1,331)

Marketable debt securities:

Balance at beginning of period

$

—

$

—

$

(15)

$

—

Other comprehensive income - unrealized gain arising during the period

7

—

22

—

Balance at end of period

$

7

$

—

$

7

$

—

Total accumulated other comprehensive loss:

Balance at beginning of period

$

(224,240)

$

(218,887)

$

(219,621)

$

(223,356)

Other comprehensive income (loss)

806

3,729

(3,813)

8,198

Balance at end of period

$

(223,434)

$

(215,158)

$

(223,434)

$

(215,158)