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Asset Retirement Obligations (Tables)
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3 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||
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Sep. 30, 2013
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| Asset Retirement Obligation Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||
| Asset Retirement Obligations Roll-Forward |
The following table summarizes the ARO activity for the three months ended September 30, 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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