QUARTERLY FINANCIAL DATA (UNAUDITED) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended																12 Months Ended
	Feb. 01, 2020		Nov. 02, 2019		Aug. 03, 2019		May 04, 2019		Feb. 02, 2019		Nov. 03, 2018		Aug. 04, 2018		May 05, 2018		Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Quarterly Financial Data [Abstract]
Flagship store exit charges, net of estimated tax effect																	$ 32,700
Selected Quarterly Financial Information [Abstract]
Net sales	$ 1,184,551		$ 863,472		$ 841,078		$ 733,972		$ 1,155,602		$ 861,194		$ 842,414		$ 730,899		3,623,073	$ 3,590,109	$ 3,492,690
Gross profit	689,264	[1]	518,931	[1]	498,633	[1]	444,090	[1]	682,857	[1]	527,819	[1]	506,895	[1]	442,345	[1]	2,150,918	2,159,916	2,083,842
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	85,200		7,570		(29,524)		(18,286)		98,364		24,776		(2,824)		(41,508)		$ 44,960	78,808	10,525
Net income (loss) attributable to A&F	$ 83,132	[2]	$ 6,523	[2]	$ (31,142)	[2]	$ (19,155)		$ 96,936	[3]	$ 23,919	[3]	$ (3,853)	[3]	$ (42,461)	[3]		$ 74,541	$ 7,094
Net income (loss) per basic share attributable to A&F	$ 1.32	[4]	$ 0.10	[4]	$ (0.48)	[4]	$ (0.29)	[4]	$ 1.47	[4]	$ 0.35	[4]	$ (0.06)	[4]	$ (0.62)	[4]	$ 0.61	$ 1.11	$ 0.10
Net income (loss) per diluted share attributable to A&F	$ 1.29	[4]	$ 0.10	[4]	$ (0.48)	[4]	$ (0.29)	[4]	$ 1.42	[4]	$ 0.36	[4]	$ (0.06)	[4]	$ (0.62)	[4]	$ 0.60	$ 1.08	$ 0.10
Charges related to asset impairment, lease terminations and store closures, the restructuring of the Gilly Hicks Brand, the Company's profit improvement initiative and certain corporate governance matters	$ (800)		$ (8,000)						$ (5,300)		$ (1,500)		$ (8,000)		$ (4,100)

[1] Gross profit is derived from cost of sales, exclusive of depreciation and amortization.

[2] Net income (loss) attributable to A&F for Fiscal 2019 included certain items related to asset impairment and flagship store exit charges. These items adversely impacted net income (loss) attributable to A&F by $32.7 million, $8.0 million and $0.8 million for the second, third and fourth quarters of Fiscal 2019, respectively.

[3] Net income (loss) attributable to A&F for Fiscal 2018 included certain items related to asset impairment, legal charges and discrete tax items related to the Act. These items adversely impacted net income (loss) attributable to A&F by $4.1 million and $8.0 million for the first and second quarters of Fiscal 2018, respectively, and benefited net income (loss) attributable to A&F by $1.5 million and $5.3 million for the third and fourth quarters of Fiscal 2018, respectively.

[4] Net income (loss) per share for each of the quarters was computed using the weighted average number of shares outstanding during the quarter while the full year is computed using the average of the weighted average number of shares outstanding each quarter; therefore, the sum of the quarters may not equal the total for the full year.