Revenue Recognition - Summary of Revenues Disaggregated by License Type (Detail) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Disaggregation Of Revenue [Line Items]
Type of Revenue [Extensible List]		us-gaap:LicenseMember	us-gaap:LicenseMember
Total revenue		$ 35,942	$ 48,548
Direct To Retail License
Disaggregation Of Revenue [Line Items]
Total revenue		9,753	21,213
Wholesale License
Disaggregation Of Revenue [Line Items]
Total revenue		25,806	25,138
Other Licenses
Disaggregation Of Revenue [Line Items]
Total revenue	[1]	$ 383	$ 2,197

[1] Included in Other licenses for the Current Quarter and Prior Year Quarter is $0.4 million and $2.0 million, respectively, of revenue associated with the Umbro business purchases discussed above.