Earnings per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 03, 2013	Jul. 28, 2012	Aug. 03, 2013	Jul. 28, 2012
Earnings Per Share [Abstract]
Net earnings attributable to Guess, Inc.	$ 39,866	$ 42,899	$ 49,782	$ 69,545
Less net earnings attributable to nonvested restricted stockholders	351	298	410	460
Net earnings attributable to common stockholders	$ 39,515	$ 42,601	$ 49,372	$ 69,085
Weighted average common shares used in basic computations	84,080,000	86,972,000	84,331,000	88,081,000
Effect of dilutive securities:
Stock options and restricted stock units (in shares)	267,000	265,000	232,000	303,000
Weighted average common shares used in diluted computations	84,347,000	87,237,000	84,563,000	88,384,000
Net earnings per common share attributable to common stockholders:
Basic (in dollars per share)	$ 0.47	$ 0.49	$ 0.59	$ 0.78
Diluted (in dollars per share)	$ 0.47	$ 0.49	$ 0.58	$ 0.78
Antidilutive securities excluded from computation of earnings per share
Anti-dilutive equity awards excluded from computation of dilutive weighted-average common shares	1,061,684	1,541,867	1,412,576	1,328,398
Nonvested performance stock units
Antidilutive securities excluded from computation of earnings per share
Anti-dilutive equity awards excluded from computation of dilutive weighted-average common shares	243,700	0	243,700	0