Income Taxes - Reconciliation of Income Taxes at Statutory Rate (Detail) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Income Tax Disclosure [Abstract]
United States statutory income tax expense	$ 61,358	$ 44,233	$ 36,527
State income taxes, net of federal effect	(995)	1,714	1,724
Nondeductible expenses and other	3,833	6,028	1,217
Net effect of GILTI, FDII, BEAT	3,313	2,457	5,405
Effect of foreign operations	(17,475)	(12,978)	(14,192)
Valuation allowance	6,849	2,068	2,951
Research and Development Credit	(5,158)	(5,063)	(3,604)
IRA Impact	(28,636)	(3,630)	0
Total income tax expense	$ 23,089	$ 34,829	$ 30,028

Effective Income Tax Rate Reconciliation, IRA Impact

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Reconciliation effect of foreign operations increase (decrease)

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Reconciliation state income taxes, net of federal increase (decrease)

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Reconciliation valuation allowance increase (decrease)

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses.

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