Quarterly Information (Unaudited) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Jan. 29, 2022	Oct. 30, 2021	Jul. 31, 2021	May 01, 2021	Jan. 30, 2021	Oct. 31, 2020	Aug. 01, 2020	May 02, 2020	Jan. 29, 2022	Jan. 30, 2021	Feb. 01, 2020	Apr. 30, 2019
Summary of the unaudited quarterly financial information
Net revenue	$ 799,935,000	$ 643,070,000	$ 628,624,000	$ 520,002,000	$ 648,455,000	$ 569,284,000	$ 398,539,000	$ 260,251,000
Gross profit	370,257,000	293,604,000	294,086,000	211,558,000	276,325,000	239,520,000	147,028,000	34,229,000	$ 1,169,505,000	$ 697,102,000	$ 1,015,708,000
Net earnings (loss)	71,665,000	32,367,000	63,147,000	12,870,000	72,935,000	27,554,000	(20,692,000)	(160,538,000)	180,049,000	(80,741,000)	101,229,000
Net earnings (loss) attributable to Guess?, Inc.	$ 68,415,000	$ 29,880,000	$ 61,062,000	$ 12,006,000	$ 70,419,000	$ 26,376,000	$ (20,358,000)	$ (157,666,000)	$ 171,363,000	$ (81,229,000)	$ 95,975,000
Net earnings (loss) per common share attributable to common stockholders:
Basic (in dollars per share)	$ 1.07	$ 0.46	$ 0.94	$ 0.19	$ 1.10	$ 0.41	$ (0.31)	$ (2.40)	$ 2.65	$ (1.27)	$ 1.35
Diluted (in dollars per share)	$ 1.04	$ 0.45	$ 0.91	$ 0.18	$ 1.07	$ 0.41	$ (0.31)	$ (2.40)	$ 2.57	$ (1.27)	$ 1.33
Selected quarterly financial information
Professional service and legal costs and related (credits) costs	$ 900,000	$ 600,000	$ 100,000	$ 1,100,000	$ (500,000)	$ (200,000)	$ (200,000)	$ 300,000
Asset impairment charges	100,000	1,200,000	1,500,000	400,000	5,200,000	$ 10,300,000	12,000,000	53,000,000	$ 3,149,000	$ 80,442,000	$ 9,977,000
Net gains (losses) on lease terminations	$ 700,000	$ (3,000,000.0)	$ 400,000	$ 2,100,000	$ 2,400,000		$ 900,000	$ (500,000)
Fiscal period duration	91 days	91 days	91 days	91 days	91 days	91 days	91 days	91 days	364 days	364 days	364 days
Deferred tax assets cumulative valuation allowance, amount					$ (700,000)	$ 1,200,000		$ 3,700,000
Income tax expense (benefit)					$ (3,800,000)	700,000	$ (7,900,000)	11,800,000
Separation charges								$ 200,000
Non-cash stock-based compensation expenses						$ 700,000	$ 2,500,000
2.00% Convertible Senior Notes Due 2024 | Senior notes
Selected quarterly financial information
Convertible debt issued												$ 300,000,000