Retirement Plans - Summary of Accumulated Benefit Obligation Related to All Defined Pension Plans (Detail) - USD ($) $ in Thousands	Mar. 31, 2026	Mar. 31, 2025
United States Plans
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	$ 0	$ 0
Projected benefit obligation	0	0
Fair value of plan assets	0	0
United States Plans \| Unfunded defined benefit plans
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	0	0
Projected benefit obligation	0	0
United States Plans \| Defined benefit plans with an accumulated benefit obligation in excess of the fair value of plan assets
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	0	0
Fair value of plan assets	0	0
Accumulated benefit obligation	0	0
International Plans
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	26,152	51,690
Projected benefit obligation	27,788	27,214
Fair value of plan assets	308	325
International Plans \| Unfunded defined benefit plans
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	25,868	24,787
Projected benefit obligation	27,474	26,871
International Plans \| Defined benefit plans with an accumulated benefit obligation in excess of the fair value of plan assets
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	27,474	26,871
Fair value of plan assets	0	0
Accumulated benefit obligation	$ 25,868	$ 24,787

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details