XML 88 R143.htm IDEA: XBRL DOCUMENT v3.20.1
Other Financial Commitments - Disclosure of Detailed Information About Contracted Commitments Explanatory (Details) - NZD ($)
$ in Thousands
Jan. 31, 2020
Jan. 31, 2019
Statement Line Items [Line Items]    
Contractual capital commitments $ 5,392 $ 12,982
Within One Year [member]    
Statement Line Items [Line Items]    
Contractual capital commitments 5,392 4,286
Between One Year and Five Years [Member]    
Statement Line Items [Line Items]    
Contractual capital commitments $ 8,696