Net Revenues by Type of License and Information by Geographic Region (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended																12 Months Ended
	Dec. 31, 2013		Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 31, 2012		Sep. 30, 2012		Jun. 30, 2012		Mar. 31, 2012		Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Segment Reporting Information [Line Items]
Licensing and other revenue	$ 105,264	[1]	$ 107,175	[1]	$ 115,125	[1]	$ 105,062	[1]	$ 85,131	[2]	$ 86,590	[2]	$ 93,646	[2]	$ 88,451	[2]	$ 432,626		$ 353,818		$ 369,845
Direct-to-retail license
Segment Reporting Information [Line Items]
Licensing and other revenue																	147,846		150,245		139,681
Wholesale license
Segment Reporting Information [Line Items]
Licensing and other revenue																	225,186		165,083		203,519
Entertainment and other
Segment Reporting Information [Line Items]
Licensing and other revenue																	59,594		38,490		26,645
United States
Segment Reporting Information [Line Items]
Licensing and other revenue																	292,619		273,903		302,629
Japan
Segment Reporting Information [Line Items]
Licensing and other revenue																	29,734		36,432		31,461
Other
Segment Reporting Information [Line Items]
Licensing and other revenue																	$ 110,273	[3]	$ 43,483	[3]	$ 35,756	[3]

[1] FY 2013: licensing and other revenue includes a net gain of approximately $9.8 million related to the Iconix Canada transaction in the second quarter, a net gain of approximately $5.1 million related to the Iconix Australia transaction in the third quarter, and net gains of $4.7 million, $2.3 million, and $10.0 million related to the Iconix SE Asia, Iconix Israel and Umbro Korea transactions, respectively, in the fourth quarter. See Note 3 for a description of these transactions.

[2] FY 2012: licensing and other revenue includes a net gain of approximately $5.6 million related to the Iconix India transaction in the second quarter, and a net gain of approximately $6.5 million related to the OP Japan transaction in the fourth quarter. Net income attributable to Iconix Brand Group, Inc. includes a net gain of $3.7 million in the fourth quarter, representing our 50% interest in a $7.4 million net gain related to an investment through the Iconix China joint venture. See Note 3 for a description of these transactions.

[3] No single country represented 10% of the Company's revenues in the periods presented within "Other" on this table.