Income Taxes (Schedule Of Components of Income Tax Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Income Tax Disclosure [Abstract]
United States, current	$ 2,001	$ (2,639)	$ 1,110
State and local, current	92	377	175
Foreign, current	41,892	39,578	60,356
Total, current	43,985	37,316	61,641
United States, deferred	3,735	5,713	(20,052)
State and local, deferred	(16)	(4)	68
Foreign, deferred	(12,416)	(1,837)	8,852
Deferred income tax expense (benefit)	(8,697)	3,872	(11,132)
Total	$ 35,288	$ 41,188	$ 50,509