Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 29, 2016	Oct. 31, 2015	Oct. 29, 2016	Oct. 31, 2015
Earnings Per Share [Abstract]
Net earnings attributable to Guess, Inc.	$ 9,103	$ 12,444	$ 16,194	$ 34,074
Less net earnings attributable to nonvested restricted stockholders	126	137	411	363
Net earnings attributable to common stockholders	$ 8,977	$ 12,307	$ 15,783	$ 33,711
Weighted average common shares used in basic computations	83,758,000	83,985,000	83,631,000	84,651,000
Effect of dilutive securities:
Stock options and restricted stock units (in shares)	159,000	388,000	182,000	196,000
Weighted average common shares used in diluted computations	83,917,000	84,373,000	83,813,000	84,847,000
Net earnings per common share attributable to common stockholders:
Basic (in dollars per share)	$ 0.11	$ 0.15	$ 0.19	$ 0.40
Diluted (in dollars per share)	$ 0.11	$ 0.15	$ 0.19	$ 0.40
Antidilutive securities excluded from computation of earnings per share
Antidilutive equity awards excluded from computation of diluted weighted average common shares	3,463,100	2,357,138	3,239,163	2,530,121
Performance-based or market-based units
Antidilutive securities excluded from computation of earnings per share
Awards subject to performance or market conditions that were excluded from the computation of diluted weighted average common shares	602,816	425,866	602,816	425,866