Income Taxes (Reconciliation Of the Gross Liability For Uncertain Tax Positions) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017
Income Tax Disclosure [Abstract]
Liability for uncertain tax positions, beginning of year	$ 3,673	$ 2,426	$ 2,407
Additions: Related to tax positions for the current year	85	107	94
Additions: Related to tax positions for prior years	2,169	1,310	0
Reductions: Due to lapses of statutes of limitations	(90)	(104)	(112)
Reductions: Related to tax positions for prior year	0	0	(3)
Reductions: Effect of currency rate movement	(212)	(66)	(40)
Liability for uncertain tax positions, end of year	$ 5,625	$ 3,673	$ 2,426