Nature Of Operations And Significant Accounting Policies (Reconciliation Of Equity In Unconsolidated Affiliates) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2013		Mar. 31, 2012		Mar. 31, 2011
Accounting Policies [Abstract]
Equity in pretax earnings reported in the consolidated statements of income	$ 5,635		$ 3,195		$ 8,634
Less: Equity in income taxes	(547)		(1,130)		(3,651)
Equity in net income	5,088		2,065		4,983
Less: Dividends received on investments	(122)	[1]	(16,723)	[1]	(1,252)	[1]
Equity in net income, net of dividends, reported in the consolidated statements of cash flows	$ 4,966		$ (14,658)		$ 3,731

[1] (1) In accordance with the applicable accounting guidance, dividends received from unconsolidated affiliates accounted for on the equity method that represent a return on capital (i.e., a return of earnings on a cumulative basis) are presented as operating cash flows in the consolidated statements of cash flows.