Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 01, 2015	Aug. 02, 2014	Aug. 01, 2015	Aug. 02, 2014
Earnings Per Share [Abstract]
Net earnings attributable to Guess, Inc.	$ 18,289	$ 21,954	$ 21,630	$ 19,853
Less net earnings attributable to nonvested restricted stockholders	143	167	227	292
Net earnings attributable to common stockholders	$ 18,146	$ 21,787	$ 21,403	$ 19,561
Weighted average common shares used in basic computations	85,004,000	84,573,000	84,985,000	84,536,000
Effect of dilutive securities:
Stock options and restricted stock units (in shares)	286,000	226,000	147,000	229,000
Weighted average common shares used in diluted computations	85,290,000	84,799,000	85,132,000	84,765,000
Net earnings per common share attributable to common stockholders:
Basic (in dollars per share)	$ 0.21	$ 0.26	$ 0.25	$ 0.23
Diluted (in dollars per share)	$ 0.21	$ 0.26	$ 0.25	$ 0.23
Antidilutive securities excluded from computation of earnings per share
Antidilutive equity awards excluded from computation of diluted weighted average common shares	2,525,300	1,666,111	2,473,325	1,549,291
Performance-based or market-based units
Antidilutive securities excluded from computation of earnings per share
Antidilutive equity awards excluded from computation of diluted weighted average common shares	425,866		425,866
Restricted stock units
Antidilutive securities excluded from computation of earnings per share
Antidilutive equity awards excluded from computation of diluted weighted average common shares		259,700		259,700