Quarterly report pursuant to Section 13 or 15(d)

Hedging Transactions Offsetting Assets and Liabilities (Details)

v2.4.0.8
Hedging Transactions Offsetting Assets and Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Jun. 30, 2013
Offsetting Assets and Liabilities [Line Items]    
Derivative Assets $ 326,494 $ 256,271
Counterparty [Member]
    
Offsetting Assets and Liabilities [Line Items]    
Derivative assets - future and forward contracts 19,838 15,438
Derivative Asset, Fair Value, Amount Not Offset Against Collateral (2,039) 0
Derivative Assets 17,799 15,438
Derivative Liability, Fair Value, Gross Liability 25,822 61,666
Derivative Liability, Fair Value, Amount Not Offset Against Collateral (958) (17,823)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset (5,611) (7,015)
Derivative Liabilities 19,253 36,828
Counterparty [Member] | Derivative Asset Open Purchases And Sales Commitments
    
Offsetting Assets and Liabilities [Line Items]    
Derivative assets - future and forward contracts 4,284 [1] 0 [1]
Derivative Asset, Fair Value, Amount Not Offset Against Collateral (2,039) [1] 0 [1]
Derivative Assets 2,245 [1] 0 [1]
Counterparty [Member] | Derivative assets - future contracts [Member]
    
Offsetting Assets and Liabilities [Line Items]    
Derivative assets - future and forward contracts 5,741 [1] 14,967 [1]
Derivative Asset, Fair Value, Amount Not Offset Against Collateral 0 [1] 0 [1]
Derivative Assets 5,741 [1] 14,967 [1]
Counterparty [Member] | Derivative Assets Forward Contracts [Member]
    
Offsetting Assets and Liabilities [Line Items]    
Derivative assets - future and forward contracts 9,813 [1] 471 [1]
Derivative Asset, Fair Value, Amount Not Offset Against Collateral 0 [1] 0 [1]
Derivative Assets 9,813 [1] 471 [1]
Counterparty [Member] | Open sales and purchase commitments
    
Offsetting Assets and Liabilities [Line Items]    
Derivative Liability, Fair Value, Gross Liability 11,579 [1] 48,015 [1]
Derivative Liability, Fair Value, Amount Not Offset Against Collateral (958) [1] (17,823) [1]
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 0 [1] 0 [1]
Derivative Liabilities 10,621 [1] 30,192 [1]
Counterparty [Member] | Derivative Liability Margin Accounts [Member]
    
Offsetting Assets and Liabilities [Line Items]    
Derivative Liability, Fair Value, Gross Liability 13,525 [1] 13,651 [1]
Derivative Liability, Fair Value, Amount Not Offset Against Collateral 0 [1] 0 [1]
Derivative Liability, Collateral, Right to Reclaim Cash, Offset (5,611) [1] (7,015) [1]
Derivative Liabilities 7,914 [1] 6,636 [1]
Counterparty [Member] | derivative liabilities - future contracts [Domain]
    
Offsetting Assets and Liabilities [Line Items]    
Derivative Liability, Fair Value, Gross Liability 716 [1] 0 [1]
Derivative Liability, Fair Value, Amount Not Offset Against Collateral 0 [1] 0 [1]
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 0 [1] 0 [1]
Derivative Liabilities 716 [1] 0 [1]
Counterparty [Member] | Derivative Liabilities Forward Contracts [Member]
    
Offsetting Assets and Liabilities [Line Items]    
Derivative Liability, Fair Value, Gross Liability 2 [2] 0 [2]
Derivative Liability, Fair Value, Amount Not Offset Against Collateral 0 [2] 0 [2]
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 0 [2] 0 [2]
Derivative Liabilities $ 2 [2] $ 0 [2]
[1] COM = Commodity hedge.
[2] FX= Foreign currency exchange hedge.