Comprehensive Income (Loss) (Details 2) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Feb. 02, 2019	Nov. 03, 2018	Aug. 04, 2018	May 05, 2018	Feb. 03, 2018	Oct. 28, 2017	Jul. 29, 2017	Apr. 29, 2017	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Reclassifications out of accumulated other comprehensive income (loss) to net earnings (loss)
Cost of product sales									$ 1,670,090	$ 1,534,906	$ 1,445,413
Other income/expense									6,591	(1,241)	(28,854)
Interest expense									3,407	2,431	1,897
Income tax expense									29,542	74,172	28,212
Net earnings (loss) attributable to Guess, Inc.	$ (23,232)	$ 13,442	$ (25,530)	$ 21,221	$ (1,040)	$ 2,860	$ (15,219)	$ 21,293	(14,099)	7,894	(22,761)
Reclassifications out of accumulated other comprehensive income (loss)
Reclassifications out of accumulated other comprehensive income (loss) to net earnings (loss)
Net earnings (loss) attributable to Guess, Inc.									6,902	766	(2,656)
Derivative Financial Instruments Designated as Cash Flow Hedges | Reclassifications out of accumulated other comprehensive income (loss)
Reclassifications out of accumulated other comprehensive income (loss) to net earnings (loss)
Cost of product sales									7,020	(14)	(3,518)
Other income/expense									201	583	(301)
Interest expense									(103)	87	216
Income tax expense									(712)	(242)	692
Net earnings (loss) attributable to Guess, Inc.									6,406	414	(2,911)
Marketable Securities | Reclassifications out of accumulated other comprehensive income (loss)
Reclassifications out of accumulated other comprehensive income (loss) to net earnings (loss)
Other income/expense									0	0	25
Income tax expense									0	0	(9)
Net earnings (loss) attributable to Guess, Inc.									0	0	16
Net actuarial loss amortization
Reclassifications out of accumulated other comprehensive income (loss) to net earnings (loss)
Reclassifications out of AOCI related to defined benefit plans									600	462	341
Prior service credit amortization
Reclassifications out of accumulated other comprehensive income (loss) to net earnings (loss)
Reclassifications out of AOCI related to defined benefit plans									(28)	(27)	(28)
Defined Benefit Plans
Reclassifications out of accumulated other comprehensive income (loss) to net earnings (loss)
Income tax expense									(76)	(83)	(74)
Reclassification to net earnings (loss) for (gains) losses realized									$ 496	$ 352	$ 239