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v3.25.3

Stock-Based Compensation and Stock Options - Stock Compensation Expense for Time Based Options and Performance Based Options (Detail) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |
Total cost of stock-based compensation included in income before income tax provision | $ 1,398,000 | $ 1,482,000 | $ 2,815,000 | $ 2,552,000
Effect on basic earnings per share | $ (0.54) | $ (0.46) | $ (1.07) | $ (0.88)
Effect on diluted earnings per share | $ (0.54) | $ (0.45) | $ (1.06) | $ (0.87)
Time Based Options and Performance Based Options [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |
Total cost of stock-based compensation included in income before income tax provision | $ 1,398,000 | $ 1,482,000 | $ 2,815,000 | $ 2,552,000
Amount of income tax benefit recognized | (311,000) | (273,000) | (635,000) | (528,000)
Amount charged against net income | $ 1,087,000 | $ 1,209,000 | $ 2,180,000 | $ 2,024,000
Effect on basic earnings per share | $ (0.02) | $ (0.02) | $ (0.04) | $ (0.04)
Effect on diluted earnings per share | $ (0.02) | $ (0.02) | $ (0.04) | $ (0.04)
Time Based Options and Performance Based Options [Member] | Cost of Revenues [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |
Total cost of stock-based compensation included in income before income tax provision | $ 667,000 | $ 723,000 | $ 1,349,000 | $ 1,438,000
Time Based Options and Performance Based Options [Member] | General and Administrative [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |
Total cost of stock-based compensation included in income before income tax provision | $ 731,000 | $ 759,000 | $ 1,466,000 | $ 1,114,000

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