External-Use Software Development Costs

9 Months Ended

Sep. 30, 2025

The carrying amounts of external-use software development costs were as follows:


	September 30, 2025		December 31, 2024

	(In thousands)
Gross carrying amount	$	263,056	$	249,335
Accumulated amortization	(207,336)		(190,899)
External-use software development costs, net (1)	$	55,720	$	58,436

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(1) Included in other long-term assets in the Condensed Consolidated Balance Sheets.

The Company recorded $5.1 million and $6.0 million to cost of product revenues for amortization of external-use software development costs for the three months ended September 30, 2025 and 2024, respectively, and $16.4 million and $19.1 million for the nine months ended September 30, 2025 and 2024, respectively.

The estimated future amortization expenses for external-use software development costs were as follows:


	September 30, 2025

	(In thousands)
Remaining three months of 2025	$	5,359
2026	18,486
2027	13,025
2028	9,168
2029	6,541
Thereafter	3,141
Total	$	55,720