Finance Receivables Allowance (Details) (Grower receivables [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Grower receivables [Member]
Valuation Allowance [Line Items]
Reserve at beginning of period	$ 36,854	$ 37,519
Charged to costs and expenses	26	382
Recoveries	(51)	(191)
Foreign exchange and other	1	0
Reserve at end of period	$ 36,830	$ 37,710

The aggregate foreign currency transaction gain (loss) (both realized and unrealized) included in determining net income for the reporting period. Excludes foreign currency transactions designated as hedges of net investment in a foreign entity and intercompany foreign currency transactions that are of a long-term nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements. For certain enterprises, primarily banks, that are dealers in foreign exchange, foreign currency transaction gains (losses) may be disclosed as dealer gains (losses).

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The sum of the periodic provision charged to earnings, based on an assessment of uncollectibility from the counterparty on account of loan, lease or other credit losses, to reduce these accounts to the amount that approximates their net realizable value.

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