Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jan. 28, 2023	Jan. 29, 2022	Jan. 30, 2021	Apr. 30, 2019
Earnings Per Share [Abstract]
Net earnings (loss) attributable to Guess?, Inc.	$ 149,610	$ 171,363	$ (81,229)
Less net earnings attributable to nonvested restricted stockholders	1,405	1,831	181
Net earnings (loss) attributable to common stockholders	148,205	169,532	(81,410)
Add interest expense related to the Notes	4,896	0	0
Net earnings (loss) attributable to common stockholders, diluted	$ 153,101	$ 169,532	$ (81,410)
Weighted average common shares used in basic computations (in shares)	56,484,000	64,021,000	64,179,000
Effect of dilutive securities:
Stock options and restricted stock units (in shares)	1,639,000	1,898,000	0
The Notes (in shares)	11,964,000	0	0
Weighted average common shares used in diluted computations (in shares)	70,087,000	65,919,000	64,179,000
Net earnings (loss) per common share attributable to common stockholders:
Basic (in dollars per share)	$ 2.62	$ 2.65	$ (1.27)
Diluted (in dollars per share)	$ 2.18	$ 2.57	$ (1.27)
Antidilutive securities excluded from computation of earnings per share
Antidilutive equity awards excluded from computation of diluted weighted average common shares (in shares)	1,240,937	562,876	2,870,479
Warrants outstanding (in shares)	11,600,000			11,600,000
Strike price of warrants (in dollars per share)	$ 46.88			$ 46.88
Performance-based or market-based units
Antidilutive securities excluded from computation of earnings per share
Awards subject to performance or market conditions that were excluded from the computation of diluted weighted average common shares (in shares)	484,365	300,000	0
Potentially dilutive shares
Antidilutive securities excluded from computation of earnings per share
Antidilutive equity awards excluded from computation of diluted weighted average common shares (in shares)			867,704