Fair Value of Financial Instruments (Details) (USD $)	May 31, 2013	Aug. 31, 2012	May 31, 2012
Fair Value of Financial Instruments
Fair value of the long-term debt	$ 140,200,000		$ 143,100,000
Carrying value of the long-term debt	128,400,000		128,600,000
Recurring basis \| Level 1
Assets and liabilities measured at fair value
Fair Value of Liabilities	52,000	20,000	75,000
Recurring basis \| Level 1 \| Foreign Currency Forward Contracts
Assets and liabilities measured at fair value
Fair Value of Liabilities	52,000	20,000	75,000
Recurring basis \| Level 2
Assets and liabilities measured at fair value
Fair Value of Liabilities	2,228,000	2,826,000	2,608,000
Recurring basis \| Level 2 \| Interest Rate Contracts
Assets and liabilities measured at fair value
Fair Value of Liabilities	2,228,000	2,826,000	2,608,000
Recurring basis \| Total
Assets and liabilities measured at fair value
Fair Value of Liabilities	2,280,000	2,846,000	2,683,000
Recurring basis \| Total \| Foreign Currency Forward Contracts
Assets and liabilities measured at fair value
Fair Value of Liabilities	52,000	20,000	75,000
Recurring basis \| Total \| Interest Rate Contracts
Assets and liabilities measured at fair value
Fair Value of Liabilities	$ 2,228,000	$ 2,826,000	$ 2,608,000

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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AMERICAN CRYSTAL SUGAR CO /MN/ 10-Q