Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended																12 Months Ended
	Jan. 28, 2017	[1]	Oct. 29, 2016	[1]	Jul. 30, 2016	[1]	Apr. 30, 2016	[1]	Jan. 30, 2016	[1]	Oct. 31, 2015	[1]	Aug. 01, 2015	[1]	May 02, 2015	[1]	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Earnings Per Share [Abstract]
Net earnings attributable to Guess, Inc.	$ 6,567		$ 9,103		$ 32,269		$ (25,178)		$ 47,777		$ 12,444		$ 18,289		$ 3,341		$ 22,761	$ 81,851	$ 94,570
Less net earnings attributable to nonvested restricted stockholders																	527	532	662
Net earnings attributable to common stockholders																	$ 22,234	$ 81,319	$ 93,908
Weighted average common shares used in basic computations																	83,666,000	84,264,000	84,604,000
Effect of dilutive securities:
Stock options and restricted stock units (in shares)																	163,000	261,000	233,000
Weighted average common shares used in diluted computations																	83,829,000	84,525,000	84,837,000
Net earnings per common share attributable to common stockholders:
Basic (in dollars per share)	$ 0.08	[2],[3],[4],[5],[6]	$ 0.11	[2],[3],[4],[5],[6]	$ 0.38	[2],[3],[4],[5],[6]	$ (0.30)	[2],[3],[4],[5],[6]	$ 0.57	[4],[6]	$ 0.15	[4],[6]	$ 0.21	[4],[6]	$ 0.04	[4],[6]	$ 0.27	$ 0.97	$ 1.11
Diluted (in dollars per share)	$ 0.08	[2],[3],[4],[5],[6]	$ 0.11	[2],[3],[4],[5],[6]	$ 0.38	[2],[3],[4],[5],[6]	$ (0.30)	[2],[3],[4],[5],[6]	$ 0.57	[4],[6]	$ 0.15	[4],[6]	$ 0.21	[4],[6]	$ 0.04	[4],[6]	$ 0.27	$ 0.96	$ 1.11
Antidilutive securities excluded from computation of earnings per share
Antidilutive equity awards excluded from computation of diluted weighted average common shares																	3,254,259	2,737,573	1,551,511
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																	473,878	0
Performance-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																			159,700

[1] All fiscal quarters presented consisted of 13 weeks.

[2] $6.1 million and a related estimated exit tax charge of approximately $1.9 million. The restructuring charges and related estimated exit tax charge were recorded during the three months ended April 30, 2016. Refer to Note 9 for further detail regarding these charges.

[3] $6.8 million resulting from jurisdictions where there have been cumulative net operating losses, limiting the Company’s ability to consider other subjective evidence to continue to recognize the existing deferred tax assets. The Company recorded the valuation reserve during the three months ended January 28, 2017. Refer to Note 11 for further details.

[4] During each of the periods presented, the Company recognized asset impairment charges for certain retail locations resulting from under-performance and expected store closures. The Company recorded asset impairment charges of $0.2 million, $0.5 million, $0.8 million and $32.9 million, respectively, during the first, second, third and fourth quarters of fiscal 2017. The Company also recorded asset impairment charges of $1.1 million, $0.7 million, $0.2 million and $0.3 million, respectively, during the first, second, third and fourth quarters of fiscal 2016. Refer to Note 5 for further detail regarding the asset impairment charges.

[5] During fiscal 2017, the Company sold its minority interest equity holding in a privately-held boutique apparel company for net proceeds of approximately $34.8 million, which resulted in a gain of approximately $22.3 million which was recorded in other income. The gain was recorded during the three months ended July 30, 2016.

[6] Per common share amounts for the quarters and full years have been calculated separately. Accordingly, quarterly amounts may not add to the annual amount because of differences in the average common shares outstanding during each period.