As of March 31, 2025 and December 31, 2024, the components of accumulated other comprehensive loss, net of related deferred income taxes, are as follows (in thousands):


	March 31, 2025		December 31, 2024
Defined benefit pension and other postretirement benefit plans	$	(79,503)	$	(76,510)
Unrealized foreign currency translation gain	10,286		8,196
Unrealized loss on interest rate swaps	(3,249)		(2,793)
Share of other comprehensive loss of equity method investments	(2,852)		(2,640)

Total accumulated other comprehensive loss, net of tax	$	(75,318)	$	(73,747)

The amortization of actuarial losses and periodic service credits associated with our retirement-related benefit plans is primarily included in Other, net in the consolidated statements of operations. As of March 31, 2025, we have contributed $10 million to our defined benefit pension plan in 2025. Based on current assumptions, we expect to make additional contributions of up to $6 million in 2025 to our defined benefit pension plan. See Note 7. Derivatives, for information on the income statement line items affected as the result of reclassification adjustments associated with derivatives.