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Other Foreign Currency (Gains)/Losses - Disclosure of Detailed Information About Foreign Currency (Gains)/Losses (Details) - NZD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2018
Other Foreign Currency Gainslosses
Fair value (gain)/loss on foreign exchange contracts	$ (729)	$ 1,065	$ (502)
Net foreign exchange loss/(gain)	114	(3,027)	(255)
Other foreign currency (gains)/losses	$ (615)	$ (1,963)	$ (757)

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- Definition

Fair value (gain)/loss on foreign exchange contracts.

+ References

No definition available.

+ Details

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- Definition

Net foreign exchange loss/(gain).

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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- Definition

The gains (losses) recognised in other comprehensive income on change in value of foreign currency basis spreads, before tax. [Refer: Other comprehensive income]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 91
-Subparagraph b
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-URIDate 2019-03-27

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