Income Taxes (Reconciliation Of the Gross Liability For Uncertain Tax Positions) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011
Income Tax Disclosure [Abstract]
Liability for uncertain tax positions, beginning of year	$ 7,913	$ 9,223	$ 22,184
Additions: Related to tax positions for the current year	191	262	1,184
Additions: Related to tax positions for prior years	0	1,072	77
Reductions: Related to tax positions for prior years	0	0	(205)
Reductions: Due to settlements with tax jurisdictions	(66)	(698)	(12,765)
Reductions: Due to lapses of statutes of limitations	(2,339)	(1,213)	(1,571)
Reductions: Effect of currency rate movement	(314)	(733)	319
Liability for uncertain tax positions, end of year	$ 5,385	$ 7,913	$ 9,223