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Operating Segments - Disclosure of Detailed Information About Segment Performance (Details) - NZD ($) $ in Thousands | 7 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 31, 2017 | Jan. 31, 2019 | Jan. 31, 2018 | Jun. 30, 2016
DisclosureOfOperatingSegmentLineItems [Line Items] |  |  |  |  |
Service income |  |  |  |  | $ 7,702
Revenue |  | 96,284 | 111,920 | 131,388 | 151,000
Cost of sales |  | (57,144) | (74,480) | (87,459) | (83,525)
Gross margin |  | 39,140 | 37,440 | 43,929 | 67,475
Administrative expenses |  | (2,383) | (3,432) | (4,131) | (4,090)
Corporate expenses |  | (8,082) | (14,145) | (12,851) | (13,002)
Other foreign exchange gain/loss |  | 3,306 | (1,963) | (757) | 2,423
EBITDA |  | (2,126) | (25,602) | (24,053) | 10,470
Brand transition, restructure and transaction expenses |  | (1,321) | (10,075) | (3,272) | (2,232)
Finance expense |  | (6,238) | (4,041) | (8,791) | (10,409)
Impairment expense |  | (292) | (8,173) | (1,914) | (2,157)
Fair value (gain)/loss on foreign exchange contracts |  | 2,135 | 1,065 | (502) | 7,660
Fair value gain/(loss) on Convertible Note derivative |  | (592) | (775) | 2,393 |
Loss before income tax expense |  | (15,114) | (50,494) | (37,533) | (15,200)
Income tax expense |  | (865) | 1,274 | (60) | (5,546)
Loss after income tax expense |  | (15,979) | (49,220) | (37,593) | (20,746)
Operating segments [member] |  |  |  |  |
DisclosureOfOperatingSegmentLineItems [Line Items] |  |  |  |  |
Revenue from external customers |  | 96,284 | 111,920 | 131,286 | 143,290
Service income |  |  |  | 102 | 7,702
Other income |  |  |  |  | 8
Revenue |  | 96,284 | 111,920 | 131,388 | 151,000
Cost of sales |  | (57,144) | (74,480) | (87,459) | (83,525)
Gross margin |  | 39,140 | 37,440 | 43,929 | 67,475
Other segment expenses | [1] | (32,040) | (45,454) | (47,354) | (48,362)
Administrative expenses |  | (541) | (1,050) | (1,101) | (801)
Corporate expenses |  | (8,082) | (17,947) | (19,150) | (13,002)
Other foreign exchange gain/loss |  | (603) | 1,409 | (377) | 5,160
EBITDA |  | (2,126) | (25,602) | (24,053) | 10,470
Brand transition, restructure and transaction expenses |  | (1,321) | (10,075) | (3,272) | (2,232)
Finance expense |  | (6,238) | (4,041) | (8,791) | (10,409)
Impairment expense |  | (292) | (8,173) | (1,914) |
Depreciation and amortisation |  | (1,842) | (2,382) | (3,030) | (5,446)
Fair value (gain)/loss on foreign exchange contracts |  | (2,135) | (1,704) | (502) | (7,660)
Unrealised foreign exchange gain/(loss) |  | (568) | 2,258 | 1,636 | 77
Fair value gain/(loss) on Convertible Note derivative |  | (592) | (775) | 2,393 |
Loss before income tax expense |  | (15,114) | (50,494) | (37,533) | (15,200)
Income tax expense |  | (865) | 1,274 | (60) | (5,546)
Loss after income tax expense |  | (15,979) | (49,220) | (37,593) | (20,746)
Operating segments [member] | New Zealand Retail [Member] |  |  |  |  |
DisclosureOfOperatingSegmentLineItems [Line Items] |  |  |  |  |
Revenue from external customers |  | 21,953 | 31,801 | 34,269 | 37,389
Service income |  |  |  |  |
Other income |  |  |  |  |
Revenue |  | 21,953 | 31,801 | 34,269 | 37,389
Cost of sales |  | (9,707) | (15,424) | (16,488) | (16,053)
Gross margin |  | 12,246 | 16,377 | 17,781 | 21,336
Other segment expenses | [1] | (7,480) | (13,537) | (13,451) | (12,263)
Administrative expenses |  |  |  |  |
Corporate expenses |  |  |  |  |
Other foreign exchange gain/loss |  |  |  |  |
EBITDA |  | 4,766 | 2,840 | 4,330 | 9,073
Brand transition, restructure and transaction expenses |  |  |  |  |
Finance expense |  |  |  |  |
Impairment expense |  |  |  |  |
Depreciation and amortisation |  |  |  |  |
Fair value (gain)/loss on foreign exchange contracts |  |  |  |  |
Unrealised foreign exchange gain/(loss) |  |  |  |  |
Fair value gain/(loss) on Convertible Note derivative |  |  |  |  |
Loss before income tax expense |  | 4,766 | 2,840 | 4,330 | 9,073
Income tax expense |  |  |  |  |
Loss after income tax expense |  | 4,766 | 2,840 | 4,330 | 9,073
Operating segments [member] | Australia Retail [Member] |  |  |  |  |
DisclosureOfOperatingSegmentLineItems [Line Items] |  |  |  |  |
Revenue from external customers |  | 12,053 | 18,547 | 18,236 | 20,680
Service income |  |  |  |  |
Other income |  |  |  |  |
Revenue |  | 12,053 | 18,547 | 18,236 | 20,680
Cost of sales |  | (5,592) | (9,192) | (9,457) | (8,930)
Gross margin |  | 6,461 | 9,355 | 8,779 | 11,750
Other segment expenses | [1] | (6,196) | (11,003) | (11,329) | (9,835)
Administrative expenses |  |  |  |  |
Corporate expenses |  |  |  |  |
Other foreign exchange gain/loss |  |  |  |  |
EBITDA |  | 265 | (1,648) | (2,550) | 1,915
Brand transition, restructure and transaction expenses |  |  |  |  |
Finance expense |  |  |  |  |
Impairment expense |  | (281) |  |  |
Depreciation and amortisation |  |  |  |  |
Fair value (gain)/loss on foreign exchange contracts |  |  |  |  |
Unrealised foreign exchange gain/(loss) |  |  |  |  |
Fair value gain/(loss) on Convertible Note derivative |  |  |  |  |
Loss before income tax expense |  | (16) | (1,648) | (2,550) | 1,915
Income tax expense |  |  |  |  |
Loss after income tax expense |  | (16) | (1,648) | (2,550) | 1,915
Operating segments [member] | New Zealand Wholesale [Member] |  |  |  |  |
DisclosureOfOperatingSegmentLineItems [Line Items] |  |  |  |  |
Revenue from external customers |  | 7,484 | 7,154 | 10,453 | 15,071
Service income |  |  |  |  |
Other income |  |  |  |  |
Revenue |  | 7,484 | 7,154 | 10,453 | 15,071
Cost of sales |  | (4,961) | (6,372) | (8,213) | (10,721)
Gross margin |  | 2,523 | 782 | 2,240 | 4,350
Other segment expenses | [1] | (475) | (912) | (1,068) | (709)
Administrative expenses |  |  |  |  |
Corporate expenses |  |  |  |  |
Other foreign exchange gain/loss |  |  |  |  |
EBITDA |  | 2,048 | (130) | 1,172 | 3,641
Brand transition, restructure and transaction expenses |  |  |  |  |
Finance expense |  |  |  |  |
Impairment expense |  |  |  |  |
Depreciation and amortisation |  |  |  |  |
Fair value (gain)/loss on foreign exchange contracts |  |  |  |  |
Unrealised foreign exchange gain/(loss) |  |  |  |  |
Fair value gain/(loss) on Convertible Note derivative |  |  |  |  |
Loss before income tax expense |  | 2,048 | (130) | 1,172 | 3,641
Income tax expense |  |  |  |  |
Loss after income tax expense |  | 2,048 | (130) | 1,172 | 3,641
Operating segments [member] | Australia Wholesale [Member] |  |  |  |  |
DisclosureOfOperatingSegmentLineItems [Line Items] |  |  |  |  |
Revenue from external customers |  | 18,091 | 11,491 | 15,512 | 28,021
Service income |  |  |  |  |
Other income |  |  |  |  |
Revenue |  | 18,091 | 11,491 | 15,512 | 28,021
Cost of sales |  | (11,431) | (8,498) | (12,545) | (18,056)
Gross margin |  | 6,660 | 2,993 | 2,967 | 9,965
Other segment expenses | [1] | (2,089) | (4,495) | (3,781) | (3,520)
Administrative expenses |  |  |  |  |
Corporate expenses |  |  |  |  |
Other foreign exchange gain/loss |  |  |  |  |
EBITDA |  | 4,571 | (1,502) | (814) | 6,445
Brand transition, restructure and transaction expenses |  |  |  |  |
Finance expense |  |  |  |  |
Impairment expense |  |  |  |  |
Depreciation and amortisation |  |  |  |  | (2,157)
Fair value (gain)/loss on foreign exchange contracts |  |  |  |  |
Unrealised foreign exchange gain/(loss) |  |  |  |  |
Fair value gain/(loss) on Convertible Note derivative |  |  |  |  |
Loss before income tax expense |  | 4,571 | (1,502) | (814) | 4,288
Income tax expense |  |  |  |  |
Loss after income tax expense |  | 4,571 | (1,502) | (814) | 4,288
Operating segments [member] | US Wholesale [Member] |  |  |  |  |
DisclosureOfOperatingSegmentLineItems [Line Items] |  |  |  |  |
Revenue from external customers |  | 9,015 | 5,798 | 6,390 | 18,876
Service income |  |  |  |  |
Other income |  |  |  |  |
Revenue |  | 9,015 | 5,798 | 6,390 | 18,876
Cost of sales |  | (6,934) | (5,222) | (6,438) | (14,540)
Gross margin |  | 2,081 | 576 | (48) | 4,336
Other segment expenses | [1] | (2,065) | (2,724) | (3,301) | (2,817)
Administrative expenses |  |  |  |  |
Corporate expenses |  |  |  |  |
Other foreign exchange gain/loss |  |  |  |  |
EBITDA |  | 16 | (2,148) | (3,349) | 1,519
Brand transition, restructure and transaction expenses |  |  |  |  |
Finance expense |  |  |  |  |
Impairment expense |  |  |  |  |
Depreciation and amortisation |  |  |  |  |
Fair value (gain)/loss on foreign exchange contracts |  |  |  |  |
Unrealised foreign exchange gain/(loss) |  |  |  |  |
Fair value gain/(loss) on Convertible Note derivative |  |  |  |  |
Loss before income tax expense |  | 16 | (2,148) | (3,349) | 1,519
Income tax expense |  |  |  |  |
Loss after income tax expense |  | 16 | (2,148) | (3,349) | 1,519
Operating segments [member] | Europe Wholesale [Member] |  |  |  |  |
DisclosureOfOperatingSegmentLineItems [Line Items] |  |  |  |  |
Revenue from external customers |  | 9,548 | 4,996 | 14,192 | 16,531
Service income |  |  |  |  |
Other income |  |  |  |  |
Revenue |  | 9,548 | 4,996 | 14,192 | 16,531
Cost of sales |  | (6,277) | (4,490) | (10,221) | (11,658)
Gross margin |  | 3,271 | 506 | 3,971 | 4,873
Other segment expenses | [1] | (2,013) | (1,536) | (2,904) | (3,204)
Administrative expenses |  |  |  |  |
Corporate expenses |  |  |  |  |
Other foreign exchange gain/loss |  |  |  |  |
EBITDA |  | 1,258 | (1,030) | 1,067 | 1,669
Brand transition, restructure and transaction expenses |  |  |  |  |
Finance expense |  |  |  |  |
Impairment expense |  |  |  |  |
Depreciation and amortisation |  |  |  |  |
Fair value (gain)/loss on foreign exchange contracts |  |  |  |  |
Unrealised foreign exchange gain/(loss) |  |  |  |  |
Fair value gain/(loss) on Convertible Note derivative |  |  |  |  |
Loss before income tax expense |  | 1,258 | (1,030) | 1,067 | 1,669
Income tax expense |  |  |  |  |
Loss after income tax expense |  | 1,258 | (1,030) | 1,067 | 1,669
Operating segments [member] | E-Commerce [Member] |  |  |  |  |
DisclosureOfOperatingSegmentLineItems [Line Items] |  |  |  |  |
Revenue from external customers |  | 18,140 | 32,133 | 32,234 | 6,722
Service income |  |  |  |  |
Other income |  |  |  |  |
Revenue |  | 18,140 | 32,133 | 32,234 | 6,722
Cost of sales |  | (11,902) | (21,248) | (20,974) | (3,582)
Gross margin |  | 6,238 | 10,885 | 11,260 | 3,140
Other segment expenses | [1] | (3,654) | (11,247) | (11,520) | (2,039)
Administrative expenses |  |  |  |  |
Corporate expenses |  |  |  |  |
Other foreign exchange gain/loss |  |  |  |  |
EBITDA |  | 2,584 | (362) | (260) | 1,101
Brand transition, restructure and transaction expenses |  |  |  |  |
Finance expense |  |  |  |  |
Impairment expense |  |  |  |  |
Depreciation and amortisation |  |  |  |  |
Fair value (gain)/loss on foreign exchange contracts |  |  |  |  |
Unrealised foreign exchange gain/(loss) |  |  |  |  |
Fair value gain/(loss) on Convertible Note derivative |  |  |  |  |
Loss before income tax expense |  | 2,584 | (362) | (260) | 1,101
Income tax expense |  |  |  |  |
Loss after income tax expense |  | 2,584 | (362) | (260) | 1,101
Operating segments [member] | Unallocated [member] |  |  |  |  |
DisclosureOfOperatingSegmentLineItems [Line Items] |  |  |  |  |
Revenue from external customers |  |  |  |  |
Service income |  |  |  | 102 | 7,702
Other income |  |  |  |  | 8
Revenue |  |  |  | 102 | 7,710
Cost of sales |  | (340) | (4,034) | (3,123) | 15
Gross margin |  | (340) | (4,034) | (3,021) | 7,725
Other segment expenses | [1] | (8,068) |  |  | (13,975)
Administrative expenses |  | (541) | (1,050) | (1,101) | (801)
Corporate expenses |  | (8,082) | (17,947) | (19,150) | (13,002)
Other foreign exchange gain/loss |  | (603) | 1,409 | (377) | 5,160
EBITDA |  | (17,634) | (21,622) | (23,649) | (14,893)
Brand transition, restructure and transaction expenses |  | (1,321) | (10,075) | (3,272) | (2,232)
Finance expense |  | (6,238) | (4,041) | (8,791) | (10,409)
Impairment expense |  | (11) | (8,173) | (1,914) |
Depreciation and amortisation |  | (1,842) | (2,382) | (3,030) | (3,289)
Fair value (gain)/loss on foreign exchange contracts |  | (2,135) | (1,704) | (502) | (7,660)
Unrealised foreign exchange gain/(loss) |  | (568) | 2,258 | 1,636 | 77
Fair value gain/(loss) on Convertible Note derivative |  | (592) | (775) | 2,393 |
Loss before income tax expense |  | (30,341) | (46,514) | (37,129) | (38,406)
Income tax expense |  | (865) | 1,274 | (60) | (5,546)
Loss after income tax expense |  | $ (31,206) | $ (45,240) | $ (37,189) | $ (43,952)
[1] | Other segment expenses relate to brand management expenses and some corporate expenses.

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