Annual report pursuant to Section 13 and 15(d)

Hedging Transactions (Offsetting Assets and Liabilities) (Details)

v3.2.0.727
Hedging Transactions (Offsetting Assets and Liabilities) (Details) - USD ($)
$ in Thousands
Jun. 30, 2015
Jun. 30, 2014
Offsetting Assets and Liabilities [Line Items]    
Gross derivative receivable $ 18,253 $ 26,296
Amounts netted (6,889) (4,112)
Net derivative receivable 11,364 22,184
Gross derivative payable 24,153 16,525
Amounts netted (734) (174)
Cash collateral pledge (5,522) 16,431
Net derivative payables 17,897 32,782
Open sales and purchase commitments    
Offsetting Assets and Liabilities [Line Items]    
Gross derivative receivable 2,815 26,282
Amounts netted (1,093) (4,112)
Net derivative receivable 1,722 22,170
Gross derivative payable 11,723 1,022
Amounts netted (734) (174)
Cash collateral pledge 0 0
Net derivative payables 10,989 848
Margin accounts    
Offsetting Assets and Liabilities [Line Items]    
Gross derivative payable 12,430 15,751
Amounts netted 0 0
Cash collateral pledge (5,522) (6,768)
Net derivative payables 6,908 8,983
Future contracts    
Offsetting Assets and Liabilities [Line Items]    
Gross derivative receivable 11,159 0
Amounts netted (5,796) 0
Net derivative receivable 5,363 0
Gross derivative payable 0 (15,121)
Amounts netted $ 0 0
Cash collateral pledge   23,199
Net derivative payables $ 0 8,078
Forward contracts    
Offsetting Assets and Liabilities [Line Items]    
Gross derivative receivable 4,279 14
Amounts netted 0 0
Net derivative receivable 4,279 14
Gross derivative payable 0 14,873
Amounts netted 0 0
Cash collateral pledge 0 0
Net derivative payables $ 0 $ 14,873