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Income Taxes - Reconciliation of Income Taxes at Statutory Rate (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2020
Income Tax Disclosure [Abstract] |  |  |
United States statutory income tax expense | $ 36,527 | $ 35,729 | $ 30,857
State income taxes, net of federal effect | 1,724 | 4,000 | 2,764
Nondeductible expenses and other | 1,217 | 5,273 | 5,953
Net effect of GILTI, FDII, BEAT | 5,405 | 1,985 | 3,025
Goodwill impairment - See Note 7 | 0 | 0 | 10,714
Effect of foreign operations | (14,192) | (20,035) | (17,605)
Valuation allowance | 2,951 | 5,533 | 4,349
Switzerland Tax Reform | 0 | (1,883) | (26,846)
Research and Development Credit | (3,604) | (3,841) | (3,390)
Total income tax expense | $ 30,028 | $ 26,761 | $ 9,821

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