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Other Foreign Currency (Gains)/Losses (Tables)
 12 Months Ended
Jan. 31, 2020
Other Foreign Currency Gainslosses  
Disclosure of Detailed Information About Foreign Currency (Gains)/Losses

    For the Year Ended 31 January 2020
NZ$000’s		    

For the Year Ended 31

January 2019

NZ$000’s

    

For the Year Ended 31

January 2018

NZ$000’s

  
- Fair value (gain)/loss on foreign exchange contracts     (729 )     1,065       (502 )
- Net foreign exchange loss/(gain)     114       (3,027 )     (255 )
      (615 )     (1,963 )     (757 )