Net Revenues by Type of License and Information by Geographic Region (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Segment Reporting Information [Line Items]
Licensing revenue	$ 48,548,000	$ 58,722,000
Operating income (loss)	15,534,000	33,610,000
International
Segment Reporting Information [Line Items]
Licensing revenue	2,000,000	0
Operating Segments | Women's
Segment Reporting Information [Line Items]
Licensing revenue	16,598,000	28,143,000
Operating income (loss)	14,628,000	26,281,000
Operating Segments | Men's
Segment Reporting Information [Line Items]
Licensing revenue	9,945,000	10,193,000
Operating income (loss)	5,874,000	5,944,000
Operating Segments | Home
Segment Reporting Information [Line Items]
Licensing revenue	6,512,000	7,336,000
Operating income (loss)	5,743,000	6,625,000
Operating Segments | International
Segment Reporting Information [Line Items]
Licensing revenue	15,493,000	13,050,000
Operating income (loss)	6,486,000	5,520,000
Corporate
Segment Reporting Information [Line Items]
Operating income (loss)	$ (17,197,000)	$ (10,760,000)