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External-Use Software Development Costs
 3 Months Ended
Mar. 31, 2026
Research and Development [Abstract]  
External-Use Software Development Costs External-Use Software Development Costs
The carrying amounts of external-use software development costs were as follows:
March 31,
2026		December 31,
2025
(In thousands)
Gross carrying amount$270,092 $266,523 
Accumulated amortization(217,059)(212,326)
External-use software development costs, net (1)
$53,033 $54,197 
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(1)     Included in other long-term assets in the Condensed Consolidated Balance Sheets.
The Company recorded $4.7 million and $5.7 million to cost of product revenues for amortization of external-use software development costs for the three months ended March 31, 2026 and 2025, respectively.
The estimated future amortization expenses for external-use software development costs were as follows:
March 31,
2026
(In thousands)
Remaining nine months of 2026$14,453 
202714,503 
202810,647 
20298,020 
20304,157 
Thereafter1,253 
Total$53,033