Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
		Oct. 28, 2017	Oct. 29, 2016	Oct. 28, 2017	Oct. 29, 2016
Earnings Per Share [Abstract]
Net earnings (loss) attributable to Guess, Inc.		$ (2,860)	$ 9,103	$ (8,934)	$ 16,194
Less net earnings attributable to nonvested restricted stockholders		186	126	581	411
Net earnings (loss) attributable to common stockholders		$ (3,046)	$ 8,977	$ (9,515)	$ 15,783
Weighted average common shares used in basic computations		82,390,000	83,758,000	82,599,000	83,631,000
Effect of dilutive securities:
Stock options and restricted stock units (in shares)	[1]	0	159,000	0	182,000
Weighted average common shares used in diluted computations		82,390,000	83,917,000	82,599,000	83,813,000
Net earnings (loss) per common share attributable to common stockholders:
Basic (in dollars per share)		$ (0.04)	$ 0.11	$ (0.12)	$ 0.19
Diluted (in dollars per share)		$ (0.04)	$ 0.11	$ (0.12)	$ 0.19
Antidilutive securities excluded from computation of earnings (loss) per share
Antidilutive equity awards excluded from computation of diluted weighted average common shares		2,901,025	3,463,100	3,104,027	3,239,163
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		916,683		391,040
Performance-based units
Antidilutive securities excluded from computation of earnings (loss) per share
Awards subject to performance or market conditions that were excluded from the computation of diluted weighted average common shares		1,145,080		1,145,080
Performance-based or market-based units
Antidilutive securities excluded from computation of earnings (loss) per share
Awards subject to performance or market conditions that were excluded from the computation of diluted weighted average common shares			602,816		602,816

[1] For the three and nine months ended October 28, 2017, there were 916,683 and 391,040, respectively, potentially dilutive shares that were not included in the computation of diluted weighted average common shares and common equivalent shares outstanding because their effect would have been antidilutive given the Company’s net loss.