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HOT MADEN INTEREST (Narrative) (Details) - Hot Maden Associate [member] $ in Millions	6 Months Ended
	Dec. 31, 2017 USD ($)
Disclosure detailed information about asset acquisitions [line items]
Proportion of ownership interest in associate	30.00%
Capital commitment related to investment in associate	$ 4.3

X

- Definition

The amount of future capital expenditures that the entity is committed to make.

+ References

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-IssueDate 2016-01-13
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X

- Definition

The proportion of ownership interest in an associate attributable to the entity. [Refer: Associates [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-IssueDate 2016-01-13
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- Definition

Disclosure Detailed Information About Asset Acquisitions [line items].

+ References

No definition available.

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