Fair Value Measurements (Financial Assets And Liabilities Measured At Fair Value On Recurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011
Assets:
Money market funds	$ 100,728
Trading securities associated with deferred compensation plans	18,263
Forward foreign currency exchange contracts	15
Total assets	119,006
Liabilities:
Guarantees of bank loans to tobacco growers	4,837
Interest rate swap agreements	820
Forward foreign currency exchange contracts	537
Total liabilities	6,194
Level 1 [Member]
Assets:
Money market funds	100,728
Trading securities associated with deferred compensation plans	18,263
Total assets	118,991
Level 2 [Member]
Assets:
Forward foreign currency exchange contracts	15
Total assets	15
Liabilities:
Interest rate swap agreements	820
Forward foreign currency exchange contracts	537
Total liabilities	1,357
Level 3 [Member]
Liabilities:
Guarantees of bank loans to tobacco growers	4,837
Total liabilities	$ 4,837