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Non-trade and notes receivable Non-trade and notes receivable (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Jun. 30, 2014
Accounts, Notes, and Loans Receivable    
Notes Receivable $ 102,811 $ 117,400
Reverse repurchase agreements 101,058 54,772
Accounts receivable, other 217,216 216,265
Total $ 421,085 $ 388,437