Goodwill and Trademarks and Other Intangibles, net - Additional Information (Detail)	1 Months Ended	12 Months Ended
	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($) Segment	Dec. 31, 2019 USD ($)
Intangible Assets By Major Class [Line Items]
Number of reportable segments | Segment		4
Impairment of goodwill		$ 0	$ 0
Impairment of intangible assets, indefinite-lived		35,053,000	65,587,000
Proceeds from loan to equity investee		2,750,000
Impairment loss of contract assets		4,467,000	5,143,000
Amortization expense for intangible assets			100,000
Projects amortization expenses, 2021		0
Projects amortization expenses, 2022		0
Projects amortization expenses, 2023		0
Projects amortization expenses, 2024		0
Projects amortization expenses, 2025		0
Maximum
Intangible Assets By Major Class [Line Items]
Amortization expense for intangible assets		100,000
Umbro China Limited
Intangible Assets By Major Class [Line Items]
Proceeds from loan to equity investee		62,500,000
Gain on sale of equity investments		59,600,000
Costs associated with sale consisted of broker’s commission		2,900,000
Starter China Limited
Intangible Assets By Major Class [Line Items]
Proceeds from loan to equity investee	$ 16,000,000	16,000,000
Gain on sale of equity investments		14,500,000
Indefinite lived trademark		1,100,000
Impairment loss of contract assets		1,500,000
Trademarks
Intangible Assets By Major Class [Line Items]
Impairment of the definite-lived trademarks		0	0
Trademarks | Umbro China Limited
Intangible Assets By Major Class [Line Items]
Proceeds from loan to equity investee		59,600,000
Trademarks | Starter China Limited
Intangible Assets By Major Class [Line Items]
Proceeds from loan to equity investee		15,600,000
Operating Segments | Trademarks
Intangible Assets By Major Class [Line Items]
Impairment of intangible assets, indefinite-lived		35,100,000	65,600,000
Women's | Operating Segments | Trademarks
Intangible Assets By Major Class [Line Items]
Impairment of intangible assets, indefinite-lived		19,600,000	35,300,000
Men's | Operating Segments | Trademarks
Intangible Assets By Major Class [Line Items]
Impairment of intangible assets, indefinite-lived		5,200,000	800,000
Home | Operating Segments | Trademarks
Intangible Assets By Major Class [Line Items]
Impairment of intangible assets, indefinite-lived		5,200,000	17,800,000
International | Operating Segments | Trademarks
Intangible Assets By Major Class [Line Items]
Impairment of intangible assets, indefinite-lived		$ 5,100,000	$ 11,700,000