|
Asset Retirement Obligations - Roll-Forward (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |
|---|---|---|
|
Jun. 30, 2013
|
Jun. 30, 2012
|
|
| Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] | ||
| Fiscal year opening balance | $ 7,784 | $ 11,397 |
| Liabilities assumed | 3 | 3,035 |
| Liabilities incurred | 0 | 398 |
| Accretion expense | 433 | 568 |
| Sale of assets | 0 | (6,773) |
| Revision to estimate | (758) | (603) |
| Effect of exchange rate changes | (583) | (238) |
| Fiscal year closing balance | 6,879 | 7,784 |
| Less current asset retirement obligation | 476 | 329 |
| Long term asset retirement obligation | $ 6,403 | $ 7,455 |
| X | ||||||||||
|
- Definition
Asset Retirement Obligation, Liabilities Assumed No definition available.
|
| X | ||||||||||
|
- Definition
Asset Retirement Obligation, Sale of Assets No definition available.
|
| X | ||||||||||
|
- Definition
The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Current portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of the Increase or Decrease in the amount of asset retirement obligations for the period associated with foreign currency translation (to the extent that the entity accounts for the foreign currency effects as a separate component of the change in the liability). Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of asset retirement obligations incurred during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of the Increase or Decrease in the amount of the asset retirement obligation during the current period for changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|