Earnings per Share - Computation of Basic and Diluted EPS (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 29, 2022	Oct. 30, 2021	Oct. 29, 2022	Oct. 30, 2021
Earnings Per Share [Abstract]
Net earnings attributable to Guess?, Inc.	$ 21,835	$ 29,880	$ 53,767	$ 102,948
Less net earnings attributable to nonvested restricted stockholders	260	336	511	1,116
Net earnings attributable to common stockholders	21,575	29,544	53,256	101,832
Add interest expense related to the Notes	1,026	0	2,960	0
Net earnings attributable to common stockholders used in diluted computations	$ 22,601	$ 29,544	$ 56,216	$ 101,832
Weighted average common shares used in basic computations (in shares)	53,894	64,373	57,300	64,248
Effect of dilutive securities:
Stock options and restricted stock units (in shares)	1,309	1,479	1,506	1,645
The Notes (in shares)	11,899	0	11,899	0
Weighted average common shares used in diluted computations (in shares)	67,102	65,852	70,705	65,893
Net earnings per common share attributable to common stockholders:
Basic (in dollars per share)	$ 0.40	$ 0.46	$ 0.93	$ 1.58
Diluted (in dollars per share)	$ 0.34	$ 0.45	$ 0.80	$ 1.55