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Trade and Other Receivables - Disclosure of Impairment of Receivable (Details) - NZD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Jan. 31, 2020 | Jan. 31, 2019
Statement Line Items [Line Items] |  |
Gross carrying amount ($) | $ 2,358 | $ 7,789
ECL provision | $ 22 |
0 - 30 Days [Member] |  |
Statement Line Items [Line Items] |  |
Expected loss rate (%) | 0.00% |
Gross carrying amount ($) | $ 2,039 | 5,577
ECL provision |  |
31 - 60 Days [Member] |  |
Statement Line Items [Line Items] |  |
Expected loss rate (%) | 0.00% |
Gross carrying amount ($) | $ 247 | $ 852
ECL provision |  |
61 - 90 Days [Member] |  |
Statement Line Items [Line Items] |  |
Expected loss rate (%) | 0.00% |
Gross carrying amount ($) | $ 50 |
ECL provision |  |
> 90 Days [Member] |  |
Statement Line Items [Line Items] |  |
Expected loss rate (%) | 100.00% |
Gross carrying amount ($) | $ 22 |
ECL provision | $ 22 |

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- Definition Expected loss rate. + References No definition available. + Details
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- Definition Statement Line Items. + References No definition available. + Details
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Balance Type: | na
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- Definition The amount of impairment loss recognised in profit or loss for trade receivables. [Refer: Impairment loss recognised in profit or loss; Trade receivables] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_112_c&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount due from customers for goods and services sold. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 78 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_78_b&doctype=Standard -URIDate 2019-03-27 + Details
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Period Type: | instant

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- Details
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- Details
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- Details
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