Quarterly report pursuant to Section 13 or 15(d)

Hedging Transactions (Outstanding Commitments) (Details)

v2.4.0.8
Hedging Transactions (Outstanding Commitments) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Jun. 30, 2013
Derivative [Line Items]    
Purchase commitments $ 473,095 $ 461,883
Sale commitments (253,818) (272,044)
Precious metals forward contracts at market values
   
Derivative [Line Items]    
Open derivative contracts 149,401 84,999
Derivative assets — future contracts
   
Derivative [Line Items]    
Open derivative contracts $ 177,093 $ 171,272