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Employee Stock-Based Compensation (Tables)
12 Months Ended
Mar. 31, 2024
Share-Based Payment Arrangement [Abstract]  
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 2024, 2023 and 2022 (in thousands):
 Years Ended March 31,
 202420232022
Cost of goods sold$8,004 $5,635 $6,695 
Marketing and selling 35,780 34,707 37,796 
Research and development17,836 15,292 18,356 
General and administrative21,269 15,148 30,632 
Total share-based compensation expense82,889 70,782 93,479 
Income tax benefit(15,305)(9,750)(26,987)
Total share-based compensation expense, net of income tax benefit$67,584 $61,032 $66,492 
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 stock options and 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:
Stock Options(1)
 Employee Stock Purchase Plans
Year Ended March 31,Years Ended March 31,
 2022202420232022
Expected dividend rate1.18 %1.61 %1.78 %1.03 %
Risk-free interest rate1.99 %5.36 %3.86 %0.27 %
Expected volatility34 %33 %46 %35 %
Expected term (years)6.20.50.50.5
Weighted average grant date fair value per share$25.88$19.02$16.32$23.55
(1) No stock options were granted for fiscal years 2024 and 2023.
PSUsYears Ended March 31,
 202420232022
Expected dividend rate1.90 %1.46 %0.78 %
Risk-free interest rate3.83 %2.78 %0.31 %
Expected volatility41 %39 %37 %
Expected term (years)3.03.03.0
Schedule of Stock Option Activity
A summary of the Company's stock option activities under all stock plans for fiscal years 2024, 2023 and 2022 is as follows:
 Number of SharesWeighted-Average Exercise PriceWeighted-Average Remaining Contractual TermAggregate Intrinsic Value
(In thousands)(Years)(In thousands)
Outstanding, March 31, 2021
622 
Granted842 
Exercised(71)$5,573 
Outstanding, March 31, 2022
1,393 
Exercised(155)$6,482 
Forfeited(118)
Outstanding, March 31, 2023
1,120 $66 7.6$7,491 
Exercised(181)$43 $6,160 
 Forfeited(176)$80 
Outstanding, March 31, 2024
763 $68 7.0$16,243 
Vested and exercisable, March 31, 2024
489 $61 6.5$13,960 
Schedule of Time, Market and Performance-Based RSU Activity
A summary of the Company's RSU and PSU activities for fiscal years 2024, 2023 and 2022 is as follows:
 Number of SharesWeighted-Average Grant Date Fair ValueAggregate
Fair Value
(In thousands)(In thousands)
Outstanding, March 31, 2021
3,643 $45 
Granted—RSUs868 $103 
Granted—PSUs203 $124 
Vested(1,463)$133,977 
Forfeited(205)
Outstanding, March 31, 2022
3,046 $68 
Granted—RSUs1,584 $53 
Granted—PSUs407 $69 
Vested(1,143)$85,152 
Forfeited(438)
Outstanding, March 31, 2023
3,456 $66 
Granted—RSUs1,396 $59 
Granted—PSUs457 $67 
Vested(1,200)$58 $92,340 
Forfeited(631)$73 
Outstanding, March 31, 2024
3,478 $65