Income Taxes (Schedule Of Combined Income Tax Expense (Benefit) Allocable To Continuing Operations, Other Comprehensive Income, And Adjustments To Shareholders' Equity) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Income Tax Disclosure [Abstract]
Continuing operations	$ 75,535	$ 66,366	$ 61,159
Other comprehensive income	22,190	2,600	(18,296)
Direct adjustments to shareholders' equity	(972)	(1,052)	(285)
Total	$ 96,753	$ 67,914	$ 42,578