Quarterly Information (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended																12 Months Ended
	Jan. 28, 2017		Oct. 29, 2016		Jul. 30, 2016		Apr. 30, 2016		Jan. 30, 2016		Oct. 31, 2015		Aug. 01, 2015		May 02, 2015		Jan. 28, 2017		Jan. 30, 2016		Jan. 31, 2015
Summary of the unaudited quarterly financial information
Net revenue	$ 679,273	[1]	$ 536,321	[1]	$ 544,959	[1]	$ 448,815	[1]	$ 658,259	[1]	$ 520,964	[1]	$ 546,264	[1]	$ 478,824	[1]	$ 2,209,368		$ 2,204,311		$ 2,417,673
Gross profit	236,407	[1]	180,242	[1]	185,632	[1]	142,759	[1]	240,164	[1]	183,664	[1]	198,117	[1]	165,485	[1]	745,040		787,430		867,885
Net earnings (loss)	8,656	[1]	9,729	[1]	32,167	[1]	(25,154)	[1]	49,288	[1]	13,061	[1]	18,479	[1]	3,987	[1]	25,398		84,815		97,184
Net earnings (loss) attributable to Guess, Inc.	$ 6,567	[1]	$ 9,103	[1]	$ 32,269	[1]	$ (25,178)	[1]	$ 47,777	[1]	$ 12,444	[1]	$ 18,289	[1]	$ 3,341	[1]	$ 22,761		$ 81,851		$ 94,570
Net earnings (loss) per common share attributable to common stockholders:
Basic (in dollars per share)	$ 0.08	[1],[2],[3],[4],[5],[6]	$ 0.11	[1],[2],[3],[4],[5],[6]	$ 0.38	[1],[2],[3],[4],[5],[6]	$ (0.30)	[1],[2],[3],[4],[5],[6]	$ 0.57	[1],[4],[6]	$ 0.15	[1],[4],[6]	$ 0.21	[1],[4],[6]	$ 0.04	[1],[4],[6]	$ 0.27		$ 0.97		$ 1.11
Diluted (in dollars per share)	$ 0.08	[1],[2],[3],[4],[5],[6]	$ 0.11	[1],[2],[3],[4],[5],[6]	$ 0.38	[1],[2],[3],[4],[5],[6]	$ (0.30)	[1],[2],[3],[4],[5],[6]	$ 0.57	[1],[4],[6]	$ 0.15	[1],[4],[6]	$ 0.21	[1],[4],[6]	$ 0.04	[1],[4],[6]	$ 0.27		$ 0.96		$ 1.11
Selected quarterly financial information
Number of days in fiscal period	91 days		91 days		91 days		91 days		91 days		91 days		91 days		91 days		364 days		364 days		364 days
Asset impairment charges	$ 32,900		$ 800		$ 500		$ 200		$ 300		$ 200		$ 700		$ 1,100		$ 34,385		$ 2,287		$ 24,766
Restructuring charges							6,083										6,083		0		0
Estimated exit tax charge							$ 1,911										1,911
Net proceeds from sale of the Company's minority interest equity holding in a privately-held boutique apparel company					34,800												34,800
Cumulative valuation reserve	$ 6,830																6,830	[7]	$ 0	[7]	$ 0	[7]
Other income/expense
Selected quarterly financial information
Gain from sale of the Company's minority interest equity holding in a privately-held boutique apparel company					$ 22,300												$ 22,300

[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.

[7] Amounts represent valuation reserves 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.