Segment Reporting - Summary of Geographical Information (Detail) - USD ($) $ in Thousands		3 Months Ended
		May 01, 2021	May 02, 2020
Revenues From External Customers And Long Lived Assets [Line Items]
Total net revenue	[1]	$ 1,034,614	$ 551,692
United States
Revenues From External Customers And Long Lived Assets [Line Items]
Total net revenue		909,659	488,876
Foreign
Revenues From External Customers And Long Lived Assets [Line Items]
Total net revenue	[2]	$ 124,955	$ 62,816

[1] The difference between Operating income (loss) and Income (loss) before income taxes includes the following items, which are not allocated to our reportable segments:
- For the 13 weeks ended May 1, 2021, interest expense, net of $8.5 million and other (income) expense, net of ($1.9) million
- For the 13 weeks ended May 2, 2020, interest expense, net of $0.1 million and other (income) expense, net of $3.0 million.

[2] Amounts represent sales from American Eagle and Aerie international retail stores, e-commerce sales that are billed and/or shipped to foreign countries, and international franchise royalty revenue.