Employee Stock-Based Compensation (Tables)
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12 Months Ended |
Mar. 31, 2026 |
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| Share-Based Payment Arrangement [Abstract] |
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| Schedule of Share-Based Compensation Expense and Related Tax Benefit Recognized |
The following table summarizes share-based compensation expense and total income tax benefit recognized for fiscal years 2026, 2025 and 2024 (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | Years Ended March 31, | | | | 2026 | | 2025 | | 2024 | | Cost of goods sold | | $ | 10,631 | | | $ | 10,021 | | | $ | 8,004 | | | Marketing and selling | | 42,506 | | | 40,378 | | | 35,780 | | | Research and development | | 22,904 | | | 20,180 | | | 17,836 | | | General and administrative | | 36,351 | | | 19,334 | | | 21,269 | | | Total share-based compensation expense | | 112,392 | | | 89,913 | | | 82,889 | | | | | | | | | | Income tax benefit | | (20,721) | | | (20,148) | | | (15,305) | | | Total share-based compensation expense, net of income tax benefit | | $ | 91,671 | | | $ | 69,765 | | | $ | 67,584 | |
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| Schedule of Assumptions Applied for the Fair Value of Market-Based RSUs Using the Monte-Carlo Simulation Method |
The grant date fair value of the ESPP using the Black-Scholes-Merton option-pricing valuation model and the grant date fair value of the PSUs using the Monte-Carlo simulation method are determined with the following assumptions: | | | | | | | | | | | | | | | | | | | | | | | | | Employee Stock Purchase Plans | | | | Years Ended March 31, | | | | | 2026 | | 2025 | | 2024 | | Expected dividend rate | | | 1.79% | | 1.35% | | 1.61% | | Risk-free interest rate | | | 3.90% | | 4.71% | | 5.36% | | Expected volatility | | | 38% | | 29% | | 33% | | Expected term (years) | | | 0.5 | | 0.5 | | 0.5 | | Weighted average grant date fair value per share | | | $23.10 | | $21.74 | | $19.02 |
| | | | | | | | | | | | | | | | | | | | | | PSUs | | Years Ended March 31, | | | | 2026 | | 2025 | | 2024 | | Expected dividend rate | | 1.63% | | 1.41% | | 1.90% | | Risk-free interest rate | | 3.90% | | 4.55% | | 3.83% | | Expected volatility | | 37% | | 38% | | 41% | | Expected term (years) | | 3.0 | | 3.0 | | 3.0 |
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| Schedule of Stock Option Activity |
A summary of the Company's stock option activities under all stock plans for fiscal years 2026, 2025 and 2024 is as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Number of Shares | | Weighted-Average Exercise Price | | Weighted-Average Remaining Contractual Term | | Aggregate Intrinsic Value | | | | | | | (In thousands) | | | | (Years) | | (In thousands) | | | | | Outstanding, March 31, 2023 | | 1,120 | | | | | | | | | | | | Exercised | | (181) | | | | | | | $ | 6,160 | | | | | | Forfeited | | (176) | | | | | | | | | | | | | | | | | | | | | | | | | Outstanding, March 31, 2024 | | 763 | | | | | | | | | | | | | | | | | | | | | | | | | | Exercised | | (111) | | | | | | | $ | 1,483 | | | | | | | Forfeited | | (65) | | | | | | | | | | | | Outstanding, March 31, 2025 | | 587 | | | $ | 64 | | | 5.3 | | $ | 11,768 | | | | | | | Exercised | | (129) | | | $ | 67 | | | | | $ | 4,371 | | | | | | Outstanding, March 31, 2026 | | 458 | | | $ | 64 | | | 4.7 | | $ | 12,500 | | | | | | Vested and exercisable, March 31, 2026 | | 458 | | | $ | 64 | | | 4.7 | | $ | 12,500 | | | | | |
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| Schedule of Time, Market and Performance-Based RSU Activity |
A summary of the Company's RSU and PSU activities for fiscal years 2026, 2025 and 2024 is as follows: | | | | | | | | | | | | | | | | | | | | | | | | | | | | Number of Shares | | Weighted-Average Grant Date Fair Value | | Aggregate
Fair Value | | | | | | | (In thousands) | | | | (In thousands) | | | | | Outstanding, March 31, 2023 | | 3,456 | | | $ | 66 | | | | | | | | | Granted—RSUs | | 1,396 | | | $ | 59 | | | | | | | | | Granted—PSUs | | 457 | | | $ | 67 | | | | | | | | | Vested | | (1,200) | | | | | $ | 92,340 | | | | | | | Forfeited | | (631) | | | | | | | | | | Outstanding, March 31, 2024 | | 3,478 | | | $ | 65 | | | | | | | | | Granted—RSUs | | 931 | | | $ | 93 | | | | | | | | | Granted—PSUs | | 281 | | | $ | 91 | | | | | | | | | Vested | | (1,172) | | | | | $ | 113,553 | | | | | | | Forfeited | | (462) | | | | | | | | | | Outstanding, March 31, 2025 | | 3,056 | | | $ | 73 | | | | | | | | | Granted—RSUs | | 1,017 | | | $ | 84 | | | | | | | | | Granted—PSUs | | 275 | | | $ | 90 | | | | | | | | | Vested | | (895) | | | $ | 72 | | | $ | 78,466 | | | | | | | Forfeited | | (512) | | | $ | 72 | | | | | | | | Outstanding, March 31, 2026 | | 2,941 | | | $ | 79 | | | | | | | | | | | | | | | | | | |
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