Schedule of Gains on Sale of Trademarks, Net (Detail) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Schedule Of Gain Loss On Investments Including Marketable Securities And Investments Held At Cost Income Statement Reported Amounts Summary [Line Items]
Net gains (losses) on sale of trademarks		$ (1,125)	$ 0	$ 9,844	$ 0
BBC and Ice Cream brands
Schedule Of Gain Loss On Investments Including Marketable Securities And Investments Held At Cost Income Statement Reported Amounts Summary [Line Items]
Net gains (losses) on sale of trademarks	[1]			(593)
Badgley Mischka Intellectual Property and Related Assets
Schedule Of Gain Loss On Investments Including Marketable Securities And Investments Held At Cost Income Statement Reported Amounts Summary [Line Items]
Net gains (losses) on sale of trademarks	[2]	250		11,812
Interest in Ed Hardy China trademark (TangLi International)
Schedule Of Gain Loss On Investments Including Marketable Securities And Investments Held At Cost Income Statement Reported Amounts Summary [Line Items]
Net gains (losses) on sale of trademarks	[3]	(1,950)		(1,950)
London Fog Korea trademark
Schedule Of Gain Loss On Investments Including Marketable Securities And Investments Held At Cost Income Statement Reported Amounts Summary [Line Items]
Net gains (losses) on sale of trademarks	[4]	$ 575		$ 575

[1] In January 2016, the Company sold its interest in the BBC and Ice Cream brands for $3.5 million in cash. The Company recognized a loss of $0.6 million as a result of this transaction.

[2] In February 2016, the Company sold its rights to the Badgley Mischka intellectual property and related assets to Titan Industries, Inc. in partnership with the founders, Mark Badgley and James Mischka, and the apparel licensee MJCLK LLC for $13.8 million in cash. The Company recognized a gain of $11.6 million as a result of this transaction. The $11.6 million gain represented the sale of the Badgley Mischka intellectual property and related assets within the United States, Greater China, Israel and Latin American territories. The Badgley Mischka intellectual property and related assets within other foreign territories is owned by certain of the Company’s joint venture entities and required the Company to negotiate and finalize the sale of the intellectual property with its respective joint venture partners. As a result, in June 2016, the Company recognized an additional gain of approximately $0.3 million associated with the sale of the Badgley Mischka intellectual property and related assets which was previously owned by the Iconix Australia joint venture resulting in an aggregate gain on sale of the brand of $11.8 million.

[3] In April 2016, the Company sold its interest in TangLi International, Ltd. (Ed Hardy China) for $11.4 million in cash. The Company recognized a loss of $1.9 million as a result of this transaction.

[4] In June 2016, the Company sold its rights to the London Fog intellectual property in the South Korea territory to NS International Limited for 1.1 billion Korean Won (approximately $1.0 million) in cash. The Company recognized a gain of approximately $0.6 million as a result of this transaction.