Annual report pursuant to Section 13 and 15(d)

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

v3.19.2
Derivative Instruments and Hedging Transactions (Outstanding Commitments) (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Jun. 30, 2018
Derivative [Line Items]    
Purchase commitments $ 166,600 $ 342,287
Sales commitments (158,870) (138,022)
Margin sales commitments (11,652) (5,988)
Open derivative contracts 205,830 347,415
Forward contracts    
Derivative [Line Items]    
Open derivative contracts 133,612 274,994
Future contracts    
Derivative [Line Items]    
Open derivative contracts $ 72,218 $ 72,421