Trade and Finance Receivables - Finance Receivables Allowance (Details) (USD $)	9 Months Ended		3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2013 Grower receivables	Jun. 30, 2013 Grower receivables	Sep. 30, 2014 Grower receivables	Dec. 31, 2013 Grower receivables
Valuation Allowance [Line Items]
Reserve for trade receivables	$ 5,085,000	$ 3,141,000
Allowance for Doubtful Accounts Receivable [Roll Forward]
Reserve at beginning of period					32,653,000	32,877,000
Recoveries			(1,000,000)
Write-offs				(3,000,000)
Reserve at end of period			$ 32,927,000		$ 32,653,000	$ 32,877,000