Earnings per Share - Computation of Basic and Diluted EPS (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 30, 2022	Jul. 31, 2021	Jul. 30, 2022	Jul. 31, 2021
Earnings Per Share [Abstract]
Net earnings attributable to Guess?, Inc.	$ 23,962	$ 61,062	$ 31,932	$ 73,068
Less net earnings attributable to nonvested restricted stockholders	264	699	264	775
Net earnings attributable to common stockholders	23,698	60,363	31,668	72,293
Add interest expense related to the Notes	988	0	1,925	0
Net earnings attributable to common stockholders used in diluted computations	$ 24,686	$ 60,363	$ 33,593	$ 72,293
Weighted average common shares used in basic computations (in shares)	56,954	64,336	59,003	64,185
Effect of dilutive securities:
Stock options and restricted stock units (in shares)	1,528	1,738	1,623	1,748
The Notes (in shares)	11,817	0	11,817	0
Weighted average common shares used in diluted computations (in shares)	70,299	66,074	72,443	65,933
Net earnings per common share attributable to common stockholders:
Basic (in dollars per share)	$ 0.42	$ 0.94	$ 0.54	$ 1.13
Diluted (in dollars per share)	$ 0.35	$ 0.91	$ 0.46	$ 1.10