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Retirement Plans - Summary Changes in Plan Assets and Benefit Obligations (Detail) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Changes in plan assets and benefit obligations:
New prior service cost	$ 0	$ 0	$ 0
Net loss (gain) arising during the year	(9,362)	(753)	3,793
Effect of exchange rates on amounts included in AOCI	(883)	1,909	(804)
Amounts recognized as a component of net periodic benefit costs:
Amortization of prior service cost	(45)	(46)	(43)
Amortization or settlement recognition of net loss	(1,167)	(1,484)	(1,250)
Total recognized in other comprehensive (income) loss	$ (11,457)	$ (374)	$ 1,696

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