Segment Reporting - Reconcile Segment Operating Performance Measure Operating (Loss) Income (Detail) - USD ($)		3 Months Ended
		May 01, 2021	May 02, 2020
Segment Reporting Information [Line Items]
Total net revenue	[1]	$ 1,034,614,000	$ 551,692,000
Operating income (loss)	[1]	133,427,000	(358,240,000)
Impairment and restructuring charges		0	155,619,000	[1]
Adjusted Operating loss	[1]		(202,621,000)
Capital Expenditures	[1]	36,806,000	33,910,000
Operating Segments
Segment Reporting Information [Line Items]
Total net revenue	[2]	1,025,189,000	545,231,000
Operating Segments | American Eagle
Segment Reporting Information [Line Items]
Total net revenue		727,702,000	390,250,000
Operating income (loss)		151,232,000	(213,749,000)
Impairment and restructuring charges			90,926,000
Adjusted Operating loss			(122,823,000)
Capital Expenditures		13,439,000	8,099,000
Operating Segments | Aerie
Segment Reporting Information [Line Items]
Total net revenue		297,487,000	154,981,000
Operating income (loss)		69,978,000	(19,129,000)
Impairment and restructuring charges			18,215,000
Adjusted Operating loss			(914,000)
Capital Expenditures		10,819,000	8,788,000
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Total net revenue	[3]	9,425,000	6,461,000
Operating income (loss)	[3]	(87,783,000)	(125,362,000)
Impairment and restructuring charges	[3]		46,478,000
Adjusted Operating loss	[3]		(78,884,000)
Capital Expenditures	[3]	$ 12,548,000	$ 17,023,000

[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] Total does not include Todd Snyder and Unsubscribed merchandise as it is not material.

[3] Corporate includes revenue and operating results of the Todd Snyder and Unsubscribed brands, which are not material to disclose as separate reportable segments.  Corporate operating costs represents certain costs that are not directly attributable to another reportable segment.