Earnings (Loss) Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
May 02, 2015	May 03, 2014
Earnings Per Share [Abstract]
Net earnings (loss) attributable to Guess, Inc.	$ 3,341us-gaap_NetIncomeLoss	$ (2,101)us-gaap_NetIncomeLoss
Less net earnings attributable to nonvested restricted stockholders	84	147
Net earnings (loss) attributable to common stockholders	$ 3,257	$ (2,248)
Weighted average common shares used in basic computations	84,965,000	84,499,000
Effect of dilutive securities:
Stock options and restricted stock units (in shares)	134,000	0
Weighted average common shares used in diluted computations	85,099,000	84,499,000
Net earnings (loss) per common share attributable to common stockholders:
Basic (in dollars per share)	$ 0.04us-gaap_EarningsPerShareBasic	$ (0.03)us-gaap_EarningsPerShareBasic
Diluted (in dollars per share)	$ 0.04us-gaap_EarningsPerShareDiluted	$ (0.03)us-gaap_EarningsPerShareDiluted
Antidilutive securities excluded from computation of earnings (loss) per share
Antidilutive equity awards excluded from computation of diluted weighted average common shares	2,124,253	1,213,896
Potentially dilutive shares excluded from computation of diluted weighted average common shares and common share equivalents outstanding due to the Company's net loss
Antidilutive securities excluded from computation of earnings (loss) per share
Antidilutive equity awards excluded from computation of diluted weighted average common shares		232,196
Performance-based or market-based awards/units
Antidilutive securities excluded from computation of earnings (loss) per share
Antidilutive equity awards excluded from computation of diluted weighted average common shares	175,866	259,700

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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