Earnings (Loss) per Share - Basic and Diluted EPS (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 30, 2021	Oct. 31, 2020	Oct. 30, 2021	Oct. 31, 2020
Earnings Per Share [Abstract]
Net earnings (loss) attributable to Guess?, Inc.	$ 29,880	$ 26,376	$ 102,948	$ (151,648)
Less net earnings attributable to nonvested restricted stockholders	336	340	1,116	93
Net earnings (loss) attributable to common stockholders, basic	29,544	26,036	101,832	(151,741)
Net earnings (loss) attributable to common stockholders, diluted	$ 29,544	$ 26,036	$ 101,832	$ (151,741)
Weighted average common shares used in basic computations (in shares)	64,373,000	62,789,000	64,248,000	64,561,000
Effect of dilutive securities:
Effect of dilutive securities: Stock options, convertible senior notes and restricted stock units (in shares)	1,479,000	790,000	1,645,000	0
Weighted average common shares used in diluted computations (in shares)	65,852,000	63,579,000	65,893,000	64,561,000
Net earnings (loss) per common share attributable to common stockholders:
Basic (in dollars per share)	$ 0.46	$ 0.41	$ 1.58	$ (2.35)
Diluted (in dollars per share)	$ 0.45	$ 0.41	$ 1.55	$ (2.35)
Antidilutive securities excluded from computation of earnings (loss) per share
Antidilutive equity awards excluded from computation of diluted weighted average common shares (in shares)	1,341,973	3,610,026	475,584	3,792,552
Potentially Dilutive Shares
Antidilutive securities excluded from computation of earnings (loss) per share
Antidilutive equity awards excluded from computation of diluted weighted average common shares (in shares)				397,099