Nature Of Operations And Significant Accounting Policies (Reconciliation Of Equity In Unconsolidated Affiliates) (Details) - USD ($) $ in Thousands		12 Months Ended
		Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016
Accounting Policies [Abstract]
Equity in pretax earnings reported in the consolidated statements of income	[1]	$ 9,125	$ 5,774	$ 5,422
Less: Equity in income taxes		(2,063)	(1,092)	(2,156)
Equity in net income		7,062	4,682	3,266
Less: Dividends received on investments	[2]	5,541	5,078	3,422
Equity in net income, net of dividends, reported in the consolidated statements of cash flows		$ 1,521	$ (396)	$ (156)

[1] Equity in pretax earnings of unconsolidated affiliates is included in segment operating income (Other Tobacco Operations segment), but is reported below consolidated operating income and excluded from that total in the consolidated statements of income.

[2] (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.