Quarterly report pursuant to Section 13 or 15(d)

Asset Retirement Obligations (Roll-Forward) (Details)

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Asset Retirement Obligations (Roll-Forward) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Sep. 30, 2014
Jun. 30, 2014
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]    
Fiscal year opening balance $ 2,873  
Accretion expense 46  
Effect of exchange rate changes (19)  
Balance at September 30, 2014 2,900  
Less current asset retirement obligation 378 397
Long term asset retirement obligation $ 2,522 $ 2,476