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Asset Retirement Obligations (Tables)
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9 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||
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Mar. 31, 2013
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| Asset Retirement Obligation Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||
| Asset Retirement Obligations Roll-Forward |
The following table summarizes the asset retirement obligation activity for the nine months ended March 31, 2013:
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- Details
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- Definition
Tabular disclosure of the carrying amount of a liability for asset retirement obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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