Financial Risk Management - Change in derivative balances (Details) $ in Thousands	12 Months Ended
Jun. 30, 2018 USD ($)
Derivatives \| Notes Embedded Exchange Derivative \| Other non-current liabilities
Disclosure of detailed information about financial instruments [line items]
Derivative Liability, Balance as of June 30, 2017	$ 0
Derivative Liability, Additions	(177,907)
Changes in unrealized gains (losses)	(24,646)
Derivative Liability, Balance as of June 30, 2018	(202,553)
Derivatives \| Capped Call Transactions \| Other non-current assets
Disclosure of detailed information about financial instruments [line items]
Derivative Asset, Balance as of June 30, 2017	99,932
Derivative Asset, Additions	87,700
Changes in unrealized gains (losses)	12,232
Derivative Asset, Balance as of June 30, 2018	$ 0

The amount of financial assets classified as derivative instruments. [Refer: Financial assets; Derivatives [member]]

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The amount of financial liabilities classified as derivative instruments. [Refer: Financial assets; Derivatives [member]]

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The gains (losses) resulting from change in the fair value of derivatives recognised in profit or loss. [Refer: Derivatives [member]]

+ References

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