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SIGNIFICANT ACCOUNTING POLICIES - Textuals (Details) - USD ($) $ in Thousands |  |  | 3 Months Ended | 12 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 01, 2023 | Jun. 01, 2023 | Jan. 31, 2023 | Jan. 31, 2024 | Jan. 31, 2023 | Jan. 31, 2022 | May 31, 2022 | May 30, 2022 | Feb. 01, 2021 | Jan. 31, 2021 | Feb. 29, 2016 | Jun. 30, 2015
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Cumulative effect of adoption of ASC |  |  | $ 1,385,448 | $ 1,550,260 | $ 1,385,448 | $ 1,519,912 |  |  |  | $ 1,336,241 |  |
Inventories |  |  | 709,345 | 520,426 | 709,345 |  |  |  |  |  |  |
Goodwill impairment |  |  | 347,200 | $ 5,900 | $ 347,172 |  |  |  |  |  |  |
Anti-dilutive shares excluded from diluted net income per share calculation |  |  |  | 102,000 |  | 11,000 |  |  |  |  |  |
Common stock issued in connection with exercise or vesting of equity awards |  |  |  | 0 | 0 | 0 |  |  |  |  |  |
Treasury shares re-issued in connection with the exercise or vesting of equity awards |  |  |  | 610,631 | 387,792 | 194,965 |  |  |  |  |  |
Selling, general and administrative expenses |  |  |  | $ 924,223 | $ 833,151 | $ 648,015 |  |  |  |  |  |
Advertising expense |  |  |  | 121,700 | 131,600 | 93,100 |  |  |  |  |  |
Prepaid advertising |  |  | $ 8,300 | 7,300 | 8,300 |  |  |  |  |  |  |
Repayment of principle amount | $ 50,000 | $ 75,000 |  | $ 125,000 |  |  |  |  |  |  |  |
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Cumulative effect of adoption of ASC |  |  |  |  |  |  |  |  | $ (300) |  |  |
Inventories |  |  |  |  |  |  |  |  | $ (300) |  |  |
Karl Lagerfeld Holding B.V. |  |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Percentage acquired |  |  |  |  |  |  | 81.00% |  |  |  |  |
Intangible assets, estimated useful lives |  |  |  | 15 years |  |  |  |  |  |  |  |
Karl Lagerfeld Holding B.V. | Karl Lagerfeld Holding B.V. ("KLH") |  |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Percentage acquired |  |  |  |  |  |  | 81.00% |  |  |  |  |
Karl Lagerfeld Holding B.V. ("KLH") |  |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Ownership percent |  |  |  |  |  |  |  | 19.00% |  |  | 19.00% |
Goodwill impairment |  |  |  |  | 84,300 |  |  |  |  |  |  |
Karl Lagerfeld Holding B.V. ("KLH") | Karl Lagerfeld Holding B.V. ("KLH") |  |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Ownership percent |  |  |  |  |  |  |  | 51.00% |  |  |  |
Karl Lagerfeld Holding B.V. ("KLH") | Karl Lagerfeld Holding B.V. |  |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Ownership percent |  |  |  |  |  |  | 19.00% |  |  |  |  |
KL North America B.V. |  |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Ownership percent |  |  |  |  |  |  |  | 49.00% |  |  |  | 49.00%
Fabco Holding B.V. |  |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Ownership percent |  |  |  | 75.00% |  |  |  |  |  |  |  |
Wholesale shipping and handling costs |  |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Selling, general and administrative expenses |  |  |  | $ 175,600 | 187,600 | 130,200 |  |  |  |  |  |
Restricted Stock Units |  |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Vesting and exercise period of awards |  |  |  | 3 years |  |  |  |  |  |  |  |
Performance Shares |  |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Vesting and exercise period of awards |  |  |  | 3 years |  |  |  |  |  |  |  |
Lock up period after vesting |  |  |  | 2 years |  |  |  |  |  |  |  |
Minimum |  |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets, estimated useful lives |  |  |  | 5 years |  |  |  |  |  |  |  |
Minimum | Performance Shares |  |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Vesting and exercise period of awards |  |  |  | 2 years |  |  |  |  |  |  |  |
Maximum |  |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets, estimated useful lives |  |  |  | 17 years |  |  |  |  |  |  |  |
Maximum | Performance Shares |  |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Vesting and exercise period of awards |  |  |  | 5 years |  |  |  |  |  |  |  |
Wholesale operations |  |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Goodwill impairment |  |  |  |  | 347,172 |  |  |  |  |  |  |
Retail |  |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Goodwill impairment |  |  |  |  |  |  |  |  |  |  |  |
DKNY, Karl Lagerfeld Paris and Vilebrequin stores | Furniture and fixtures |  |  |  |  |  |  |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Impairment charge on leasehold improvements |  |  |  | $ 1,300 | $ 2,700 | $ 1,500 |  |  |  |  |  |

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