Stockholders' Equity - Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Feb. 01, 2020	Nov. 02, 2019	Aug. 03, 2019	May 04, 2019	Feb. 02, 2019	Nov. 03, 2018	Aug. 04, 2018	May 05, 2018	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Reclassifications out of accumulated other comprehensive income (loss) to net earnings (loss)
Cost of product sales									$ 1,662,401	$ 1,670,090	$ 1,534,906
Other income/expense									2,529	6,591	(1,241)
Interest expense									16,129	3,407	2,431
Income tax expense									22,513	29,542	74,172
Net earnings (loss) attributable to Guess, Inc.	$ (79,604)	$ (12,423)	$ (25,322)	$ 21,374	$ (23,232)	$ 13,442	$ (25,530)	$ 21,221	(95,975)	(14,099)	7,894
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.									(6,627)	6,902	766
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									(7,776)	7,020	(14)
Other income/expense									0	201	583
Interest expense									(128)	(103)	87
Income tax expense									908	(712)	(242)
Net earnings (loss) attributable to Guess, Inc.									(6,996)	6,406	414
Net actuarial loss amortization | Reclassifications out of accumulated other comprehensive income (loss)
Reclassifications out of accumulated other comprehensive income (loss) to net earnings (loss)
Other income/expense									446	600	462
Prior service credit amortization | Reclassifications out of accumulated other comprehensive income (loss)
Reclassifications out of accumulated other comprehensive income (loss) to net earnings (loss)
Other income/expense									(39)	(28)	(27)
Defined Benefit Plans | Reclassifications out of accumulated other comprehensive income (loss)
Reclassifications out of accumulated other comprehensive income (loss) to net earnings (loss)
Income tax expense									(38)	(76)	(83)
Net earnings (loss) attributable to Guess, Inc.									$ 369	$ 496	$ 352