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Inventories - Disclosure of Detailed Information About Inventories (Details) - NZD ($)
$ in Thousands
Jan. 31, 2021
Jan. 31, 2020
Disclosure of inventories [Abstract]    
Finished goods $ 17,708 $ 24,034
Provision for impairment (1,112) (495)
Current inventories $ 16,596 $ 23,539