Retirement Plans - Pension Components Before Tax and Related Changes Net of Tax Recognized in AOCI (Detail) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
|---|---|---|---|
| Retirement Benefits [Abstract] | |||
| Prior service cost | $ (1) | $ (43) | $ (85) |
| Net loss | (675) | (11,145) | (9,590) |
| Net amount recognized | $ (676) | $ (11,188) | $ (9,675) |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, before tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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