Fair Value Measurements - Assets and Liabilities Measured and Recorded at Fair Value on a Recurring Basis (Details) (USD $)	Sep. 30, 2013		Jun. 30, 2013		Dec. 01, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Preferred stock	$ 20,425,000		$ 20,546,000
Notional amount on interest rate swap transaction			10,000,000		10,000,000
Fixed interest rate required to be paid per the swap transaction			0.48%
Total
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Preferred stock	20,425,000	[1]	20,542,000	[1]
Futures, options and other derivative assets	0	[1]	4,000	[1]
Coffee-related derivative liabilities - cash flow hedges	9,405,000		10,460,000
Coffee-related derivative liabilities - not hedging	632,000		565,000
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Preferred stock	15,744,000	[1]	15,738,000	[1]
Futures, options and other derivative assets	0	[1]	0	[1]
Coffee-related derivative liabilities - cash flow hedges	9,405,000		10,460,000
Coffee-related derivative liabilities - not hedging	632,000		565,000
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Preferred stock	4,681,000	[1]	4,804,000	[1]
Futures, options and other derivative assets	0	[1]	4,000	[1]
Coffee-related derivative liabilities - cash flow hedges	0		0
Coffee-related derivative liabilities - not hedging	0		0
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Preferred stock	0	[1]	0	[1]
Futures, options and other derivative assets	0	[1]	0	[1]
Coffee-related derivative liabilities - cash flow hedges	0		0
Coffee-related derivative liabilities - not hedging	0		0
Derivative Liabilities - Interest Rate Swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fixed interest rate required to be paid per the swap transaction	0.48%		0.48%
Derivative Liabilities - Interest Rate Swap | Total
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liabilities - interest rate swap	32,000		25,000
Derivative Liabilities - Interest Rate Swap | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liabilities - interest rate swap	0		0
Derivative Liabilities - Interest Rate Swap | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liabilities - interest rate swap	32,000		25,000
Derivative Liabilities - Interest Rate Swap | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liabilities - interest rate swap	$ 0		$ 0

[1] Included in "Short-term investments" on the consolidated balance sheets.