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Stock Based Compensation (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |
Stock-based compensation | $ 60,122 | $ 57,682 | $ 48,228
Income tax benefit | (10,472) | (10,397) | (11,493)
Total stock-based compensation expense after income taxes | 49,650 | 47,285 | 36,735
Cost Of Revenues |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |
Stock-based compensation | 4,922 | 4,208 | 4,050
Engineering And Development |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |
Stock-based compensation | 12,531 | 10,659 | 9,992
Selling and Administrative |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |
Stock-based compensation | $ 42,669 | $ 42,815 | $ 34,186

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