Net Revenues by Type of License and Information by Geographic Region (Detail) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2020	Sep. 30, 2020	Dec. 31, 2020
Segment Reporting Information [Line Items]
Licensing revenue	$ 23,634		$ 27,951
Type of Revenue [Extensible List]	us-gaap:LicenseMember		us-gaap:LicenseMember
Operating income (loss)	$ 25,273	$ 2,165	$ (4,850)	$ (2,687)	$ 63,663	$ 65,723
Operating Segments | Women's
Segment Reporting Information [Line Items]
Licensing revenue	3,806		6,478
Operating income (loss)	3,772		(1,143)
Operating Segments | Men's
Segment Reporting Information [Line Items]
Licensing revenue	5,612		6,757
Operating income (loss)	4,812		3,807
Operating Segments | Home
Segment Reporting Information [Line Items]
Licensing revenue	2,466		3,162
Operating income (loss)	1,829		(811)
Operating Segments | International
Segment Reporting Information [Line Items]
Licensing revenue	11,750		11,554
Operating income (loss)	7,780		1,841
Corporate
Segment Reporting Information [Line Items]
Operating income (loss)	$ 7,080		$ (8,544)