Fair Value Measurements (Financial Assets And Liabilities Measured At Fair Value On Recurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Mar. 31, 2014	Jun. 30, 2013
Assets:
Money market funds	$ 1,527	$ 1,527	$ 1,526
Trading securities associated with deferred compensation plans	20,582	19,754	18,423
Forward foreign currency exchange contracts	397	2,074	2
Total financial assets measured and reported at fair value	22,506	23,355	19,951
Liabilities:
Guarantees of bank loans to tobacco growers	2,390	2,270	3,800
Interest rate swap agreements	887	936	1,142
Forward foreign currency exchange contracts	1,635	3,973	4,794
Total financial liabilities measured and reported at fair value	4,912	7,179	9,736
Level 1 [Member]
Assets:
Money market funds	0	0	0
Trading securities associated with deferred compensation plans	20,582	19,754	18,423
Forward foreign currency exchange contracts	0	0	0
Total financial assets measured and reported at fair value	20,582	19,754	18,423
Liabilities:
Guarantees of bank loans to tobacco growers	0	0	0
Interest rate swap agreements	0	0	0
Forward foreign currency exchange contracts	0	0	0
Total financial liabilities measured and reported at fair value	0	0	0
Level 2 [Member]
Assets:
Money market funds	1,527	1,527	1,526
Trading securities associated with deferred compensation plans	0	0	0
Forward foreign currency exchange contracts	397	2,074	2
Total financial assets measured and reported at fair value	1,924	3,601	1,528
Liabilities:
Guarantees of bank loans to tobacco growers	0	0	0
Interest rate swap agreements	887	936	1,142
Forward foreign currency exchange contracts	1,635	3,973	4,794
Total financial liabilities measured and reported at fair value	2,522	4,909	5,936
Level 3 [Member]
Assets:
Money market funds	0	0	0
Trading securities associated with deferred compensation plans	0	0	0
Forward foreign currency exchange contracts	0	0	0
Total financial assets measured and reported at fair value	0	0	0
Liabilities:
Guarantees of bank loans to tobacco growers	2,390	2,270	3,800
Interest rate swap agreements	0	0	0
Forward foreign currency exchange contracts	0	0	0
Total financial liabilities measured and reported at fair value	$ 2,390	$ 2,270	$ 3,800