Joint Ventures and Investments - Consolidated Joint Ventures (Detail)	3 Months Ended
	Mar. 31, 2021
Lee Cooper China Limited
Schedule Of Investments [Line Items]
Date of Original Formation / Investment	2018-06	[1]
Company ownership interest	0.00%	[1]
Joint Venture Partner	POS Lee Cooper HK Co. Ltd.	[1]
Starter China Limited
Schedule Of Investments [Line Items]
Date of Original Formation / Investment	2018-03
Company ownership interest	0.00%	[2]
Joint Venture Partner	Photosynthesis Holdings Co. Ltd.
Danskin China Limited
Schedule Of Investments [Line Items]
Date of Original Formation / Investment	2016-10
Company ownership interest	80.00%	[3]
Joint Venture Partner	Li-Ning (China) Sports Goods Co. Ltd.
Umbro China Limited
Schedule Of Investments [Line Items]
Date of Original Formation / Investment	2016-07
Company ownership interest	0.00%	[4]
Joint Venture Partner	Hong Kong MH Umbro International Co. Ltd.
US Pony Holdings, LLC
Schedule Of Investments [Line Items]
Date of Original Formation / Investment	2015-02
Company ownership interest	100.00%	[5]
Joint Venture Partner	Anthony L&S Athletics, LLC
Iconix Australia | Put / Call Options
Schedule Of Investments [Line Items]
Date of Original Formation / Investment	2013-09	[6]
Company ownership interest	55.00%	[6]
Joint Venture Partner	Pac Brands USA, Inc.	[6]
Hardy Way, LLC
Schedule Of Investments [Line Items]
Date of Original Formation / Investment	2009-05
Company ownership interest	85.00%
Joint Venture Partner	Donald Edward Hardy
Variable Interest Entity, Primary Beneficiary | Iconix MENA Ltd | Put / Call Options
Schedule Of Investments [Line Items]
Date of Original Formation / Investment	2014-12	[6]
Company ownership interest	55.00%	[6]
Joint Venture Partner	Global Brands Group Asia Limited	[6]
Variable Interest Entity, Primary Beneficiary | Iconix Israel, LLC
Schedule Of Investments [Line Items]
Date of Original Formation / Investment	2013-11	[6]
Iconix's Ownership %	50.00%	[6]
Joint Venture Partner	MGS	[6]
Variable Interest Entity, Primary Beneficiary | Iconix Europe LLC | Put / Call Options
Schedule Of Investments [Line Items]
Date of Original Formation / Investment	2009-12	[6]
Company ownership interest	51.00%	[6]
Joint Venture Partner	Global Brands Group Asia Limited	[6]
Variable Interest Entity, Primary Beneficiary | Buffalo Brand Joint Venture
Schedule Of Investments [Line Items]
Date of Original Formation / Investment	2013-02	[6]
Company ownership interest	51.00%	[6]
Joint Venture Partner	Buffalo International	[6]
Variable Interest Entity, Primary Beneficiary | Diamond Icon
Schedule Of Investments [Line Items]
Date of Original Formation / Investment	2013-03	[6]
Company ownership interest	51.00%	[6]
Joint Venture Partner	Albion Agencies Ltd.	[6]
Variable Interest Entity, Primary Beneficiary | Icon Modern Amusement, LLC
Schedule Of Investments [Line Items]
Date of Original Formation / Investment	2012-12	[6]
Company ownership interest	51.00%	[6]
Joint Venture Partner	Dirty Bird Productions	[6]

[1] As described above, the Company completed the sale of Lee Cooper China in February of 2021. As a result of this transaction, the Company recognized a gain of $15.0 million, which has been recorded within Operating Income in the Company’s condensed consolidated statement of operations in the Current Quarter.

[2] The Company completed the sale of Starter China in September, 2020. As a result of this transaction, the Company recognized a gain of $14.5 million, which has been recorded within Operating Income in the Company’s condensed consolidated statement of operations in FY 2020.

[3] On June 30, 2020, the Company sold a 10% interest in Danskin China Ltd. to Li Ning Sports (Hong Kong) Company Ltd. for $1.6 million. In March 2021, the Company sold an additional 10% interest in Danskin China Ltd. to Li Ning Sports (Hong Kong) Company Ltd. for $1.8 million.

[4] The Company completed the sale of Umbro China in July 2020. As a result of this transaction, the Company recognized a gain of $59.6 million, which has been recorded within Operating Income in the Company’s condensed consolidated statement of operations in FY 2020.

[5] (7) In March of 2021, the Company acquired the remaining 25% interest in US Pony Holdings, LLC, resulting in 100% ownership of the rights to the Pony / Product of New York brand.

[6] The Company determined, in accordance with ASC 810, based on the corporate structure, voting rights and contributions of the Company and its respective joint venture partner, the entity is a variable interest entity (VIE) and, as the Company has been determined to be the primary beneficiary, is subject to consolidation. The Company has consolidated this joint venture within its consolidated financial statements since inception. None of the VIE assets are encumbered by any obligation of the VIE or other entity.