Significant Accounting Policies Other Noncurrent Assets (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Mar. 31, 2011
Other Noncurrent Assets [Line Items]
VAT and intrastate tax receivables, long-term	$ 23,217	$ 37,359
Advances to tobacco suppliers, noncurrent	5,613	12,706
Cash surrender value of life insurance	9,622	9,102
Income taxes receivable, Nnncurrent		11,360
Other Noncurrent Assets [Member]
Other Noncurrent Assets [Line Items]
Deposits restricted cash	$ 13,000