Goodwill and Intangible Assets, net - Summary of Goodwill and Definite-lived Intangible Assets, Net (Detail) - USD ($)		12 Months Ended
		Feb. 03, 2024		Jan. 28, 2023		Jan. 29, 2022		Jan. 29, 2023
Goodwill [Line Items]
Goodwill, beginning balance	[1]	$ 264,945,000		$ 271,416,000
Impairment		(39,598,000)	[2]	0		$ 0
Purchase accounting adjustment				(6,335,000)
Foreign currency fluctuation		(44,000)		(136,000)
Goodwill, ending balance		225,303,000		264,945,000	[1]	271,416,000	[1]
Intangible assets, beginning balance, at cost		94,536,000	[3]	102,701,000
Additions		826,000		985,000
Impairment		(40,533,000)	[4]	0		0
Amortization		(8,720,000)		(9,150,000)
Intangible assets, net		46,109,000	[3]	94,536,000	[3]	102,701,000		$ 94,536,000
Operating Segments | American Eagle
Goodwill [Line Items]
Goodwill, beginning balance	[1]	114,747,000		114,883,000
Foreign currency fluctuation		(44,000)		(136,000)
Goodwill, ending balance		114,703,000		114,747,000	[1]	114,883,000	[1]
Operating Segments | Aerie
Goodwill [Line Items]
Goodwill, beginning balance	[1]	110,600,000		110,600,000
Goodwill, ending balance		110,600,000		110,600,000	[1]	110,600,000	[1]
Corporate and Other, Non-Segment
Goodwill [Line Items]
Goodwill, beginning balance	[1],[5]	39,598,000		45,933,000
Impairment	[2],[5]	$ (39,598,000)
Purchase accounting adjustment	[5]			(6,335,000)
Goodwill, ending balance	[1],[5]			$ 39,598,000		$ 45,933,000

[1] Beginning balances for both periods include accumulated impairment of $4.2 million.

[2] Goodwill for the Quiet Platforms reporting unit was fully impaired during Fiscal 2023. Refer to Note 16 of the Consolidated Financial Statements for additional information.

[3] The ending balance includes accumulated amortization of $100.9 million and $51.7 million as of February 3, 2024 and January 28, 2023, respectively.

[4] Impairment included $31.2 million of customer relationships and $9.3 million of trade names related to Quiet Platforms. Refer to Note 16 of the Consolidated Financial Statements for additional information

[5] Corporate and Other includes goodwill allocated to the Quiet Platforms reporting unit, which has been identified as a separate operating segment, but is not material to disclose as a separate reportable segment.