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Income Taxes - Tax Rate Reconciliation (Details) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022
Income Tax Disclosure [Abstract] |  |  |
Income tax rate | 21.00% | 21.00% | 21.00%
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] |  |  |
Income tax expense at U.S. federal statutory income tax rate | $ 32,532 | $ 18,893 | $ 15,048
State and local tax expense (benefit) | 306 | 1,421 | (3,065)
Foreign tax rate differential | 3,318 | 1,770 | 3,181
U.S. effects of foreign branch income | 8,662 | 1,519 | 11,016
Non-deductible expenses | 1,742 | 1,216 | 898
Tax credits | (41,740) | (26,457) | (27,983)
GILTI inclusion and FDII deduction | (13,905) | (10,938) | (2,708)
Employee compensation | (7,188) | 5,528 | (17,180)
Changes in uncertain tax positions | (14,835) | 10,978 | 501
Changes in valuation allowance | 13,080 | (32,629) | 32,026
Foreign withholding tax | 18,469 | 12,598 | 9,312
Effects of changes in tax laws | (186) | 382 | (859)
Inflation and currency related adjustments | 851 | (1,518) | (592)
Other adjustments | (823) | (755) | (387)
Total income tax expense (benefit) | $ 283 | $ (17,992) | $ 19,208

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- Definition Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 35 -Paragraph 2 -SubTopic 740 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480887/718-740-35-2 + Details
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