Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Intangible Assets - Disclosure of Information for Cash-generating Units (Details)

v3.19.2
Intangible Assets - Disclosure of Information for Cash-generating Units (Details) - NZD ($)
$ in Thousands
12 Months Ended
Jan. 31, 2019
Jan. 31, 2018
Jan. 31, 2017
Disclosure of detailed information about intangible assets [line items]      
Impairment expense $ 2,320
United States [Member]      
Disclosure of detailed information about intangible assets [line items]      
Impairment expense $ 2,320