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Segment and Geographic Information (Tables)
12 Months Ended
Dec. 31, 2025
Segment Reporting [Abstract]  
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas
The following table summarizes information about geographic areas (in thousands):
United StatesEuropeGreater ChinaOtherTotal
Year Ended December 31, 2025
Revenue$329,125 $251,638 $158,456 $255,140 $994,359 
Long-lived assets48,838 14,112 13,631 14,428 $91,009 
Year Ended December 31, 2024
Revenue$306,766 $217,880 $164,147 $225,722 $914,515 
Long-lived assets56,948 15,655 14,844 16,025 $103,472 
Year Ended December 31, 2023
Revenue$288,324 $220,665 $164,115 $164,443 $837,547 
Long-lived assets62,946 17,005 17,028 15,958 $112,937 
Schedule of Segment Reporting Information, by Segment The following table summarizes significant segment expenses, which represents the difference between segment revenue and segment net income, (in thousands):
Year Ended December 31,
202520242023
Revenue$994,359 $914,515 $837,547 
Less:
Cost of revenue (1)
328,966 288,721 236,306 
Gross profit665,393 625,794 601,241 
Less:
Research, development, and engineering expenses
Salaries and fringe benefits75,690 79,544 78,762 
Incentive compensation (2)
9,537 4,711 1,446 
Stock-based compensation15,336 14,628 16,480 
Depreciation and amortization2,628 3,229 3,056 
Other segment expenses (3)
35,779 37,703 39,656 
Total research, development, and engineering expenses138,970 139,815 139,400 
Selling, general, and administrative expenses
Salaries and fringe benefits174,526 179,898 166,612 
Incentive compensation (2)
55,932 45,565 35,513 
Stock-based compensation30,965 35,849 36,309 
Depreciation and amortization15,759 16,936 11,759 
Other segment expenses (3)
86,675 92,666 88,946 
Total selling, general, and administrative expenses363,857 370,914 339,139 
Loss (recovery) from fire — (8,000)
Operating income162,566 115,065 130,702 
Foreign currency gain (loss)(4,082)1,531 (10,039)
Investment income16,950 13,971 14,093 
Other income (expense)7,368 922 592 
Income before income tax expense182,802 131,489 135,348 
Income tax expense68,360 25,318 22,114 
Net income$114,442 $106,171 $113,234 
(1) Cost of revenue includes depreciation and amortization expense (including amortization of acquired technologies) of $12,406,000, $12,524,000, and $7,065,000 for 2025, 2024, and 2023, respectively.
(2) Incentive compensation includes company bonus and sales commissions.
(3) Other segment expenses include outside services, prototyping materials, sales demonstration equipment, travel and entertainment, marketing programs, rent, and allocations, among other less significant expenses.