Annual report pursuant to Section 13 and 15(d)

Asset Retirement Obligations - Roll-Forward (Details)

v2.4.0.8
Asset Retirement Obligations - Roll-Forward (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]    
Fiscal year opening balance $ 6,879 $ 7,784
Liabilities assumed 7 3
Accretion expense 367 433
Sale of assets (1) (4,457) [1] 0 [1]
Revision to estimate (2) 0 [2] (758) [2]
Effect of exchange rate changes 77 (583)
Fiscal year closing balance 2,873 6,879
Less current asset retirement obligations 397 476
Long term asset retirement obligations $ 2,476 $ 6,403
[1] Related to the sale of the Amadeus Basin assets
[2] The revision primarily resulted from a change in the expected timing of estimated abandonment cost for our oil and gas properties.