Joint Ventures and Investments - Amounts Due from Such Joint Venture Partners Remain Recorded on Consolidated Balance Sheet (Parenthetical) (Detail) - Iconix Canada Joint Venture - Subsequent Event $ in Millions	1 Months Ended
	Jul. 31, 2017 USD ($)
Schedule Of Investments [Line Items]
Percentage of purchase of ownership interest	50.00%
Amount received from joint venture partners	$ 2.9