Description of the Business and Summary of Significant Accounting Policies and Practices - Sale of Australia Stores and Korean Underwear Business (Details) $ in Thousands, ₩ in Millions, $ in Millions	12 Months Ended
	Feb. 01, 2020 USD ($)	Feb. 01, 2020 AUD ($)	Feb. 01, 2020 KRW (₩)	Jan. 30, 2021 USD ($)	Jan. 30, 2021 AUD ($)	Feb. 01, 2020 AUD ($)	Feb. 01, 2020 KRW (₩)	Feb. 02, 2019 USD ($)
Summary of Significant Accounting Policies
Disposal group, adjustment to purchase price	$ (3,558)			$ 510				$ 0
Disposed of by sale, not discontinued operations | Australia retail stores
Summary of Significant Accounting Policies
Selling price related to divestiture of business	4,900					$ 7.1
Gain (loss) on sale of business	(800)	$ (1.2)
Disposed of by sale, not discontinued operations | Australia retail stores | Accounts receivable, net and other assets
Summary of Significant Accounting Policies
Selling price related to divestiture of business	3,400			3,400	$ 4.5	$ 5.1
Disposed of by sale, not discontinued operations | Korean underwear business
Summary of Significant Accounting Policies
Selling price related to divestiture of business	2,600						₩ 3,030.0
Gain (loss) on sale of business	$ 100		₩ 130.0
Disposed of by sale, not discontinued operations | Australia Retail Locations
Summary of Significant Accounting Policies
Disposal group, adjustment to purchase price				$ (500)	$ (0.7)