Acquisition of Brands (Detail)	36 Months Ended
	Dec. 31, 2014
Umbro
Business Acquisition [Line Items]
Date Acquired	2012-11
Brand	Umbro
Lee Cooper
Business Acquisition [Line Items]
Date Acquired	2013-02
Brand	Lee Cooper
Modern Amusement
Business Acquisition [Line Items]
Date Acquired	2012-12
Brand	Modern Amusement
Iconix's Investment	51.00%
Alberta ULC
Business Acquisition [Line Items]
Date Acquired	2013-02
Brand	Buffalo
Iconix's Investment	51.00%
NGX LLC
Business Acquisition [Line Items]
Date Acquired	2014-11
Brand	Nick Graham
Iconix's Investment	51.00%
Hydraulic IP Holdings
Business Acquisition [Line Items]
Date Acquired	2014-12
Brand	Hydraulic
Iconix's Investment	51.00%