Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments and Hedging Transactions (Outstanding Commitments) (Details)

v3.19.1
Derivative Instruments and Hedging Transactions (Outstanding Commitments) (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Jun. 30, 2018
Derivative [Line Items]    
Purchase commitments $ 146,046 $ 342,287
Sales commitments (161,998) (138,022)
Margin sales commitments (6,657) (5,988)
Open derivative contracts 178,561 347,415
Forward contracts    
Derivative [Line Items]    
Open derivative contracts 92,875 274,994
Future contracts    
Derivative [Line Items]    
Open derivative contracts $ 85,686 $ 72,421