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Pension and Profit Sharing Plans - Additional information (Detail) | 12 Months Ended
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Mar. 31, 2025 USD ($) | Mar. 31, 2024 USD ($) Employee Compensationplan | Mar. 31, 2023 USD ($)
Defined Benefit Plan Disclosure [Line Items] |  |  |
Current actuarial estimates contributions for fiscal year 2023 | $ 0 |  |
Employees fully vesting in employer's own contributions made beginning in 2007, requirement years | 4 years |  |
Costs relating to employer discretionary contributions | $ 9,800,000 | $ 9,600,000 | $ 9,100,000
Current actuarial estimates contributions | 2,700,000 | $ 1,800,000 | 1,400,000
Number of employees covered under multi-employer pension plans | Employee |  | 50 |
Number of multi-employer plans | Compensationplan |  | 2 |
Expenses related to multi employer plans | $ 500,000 | $ 1,700,000 | $ 1,800,000
Minimum [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Collective bargaining agreement for employer covered under multi-employer plans, Expiration date, First |  | Feb. 29, 2024 |

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