Stockholders' Equity - Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 02, 2019	Nov. 03, 2018	Nov. 02, 2019	Nov. 03, 2018
Reclassifications out of accumulated other comprehensive income (loss) to net earnings (loss)
Cost of product sales	$ 386,445	$ 385,264	$ 1,158,741	$ 1,139,055
Other income (expense), net	62	5,810	4,346	7,064
Interest expense	4,946	784	11,156	2,386
Income tax expense (benefit)	4,548	(14,500)	10,649	(13,001)
Net earnings (loss) attributable to Guess, Inc.	(12,423)	13,442	(16,371)	9,133
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.	(2,437)	1,543	(4,010)	5,441
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	(2,826)		(4,813)
Other income (expense), net	0		0
Interest expense	(28)		(118)
Income tax expense (benefit)	327		651
Net earnings (loss) attributable to Guess, Inc.	(2,527)		(4,280)
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		1,618		5,646
Other income (expense), net		0		201
Interest expense		(21)		(60)
Income tax expense (benefit)		(178)		(720)
Net earnings (loss) attributable to Guess, Inc.		1,419		5,067
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), net	112	150	334	453
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), net	(10)	(7)	(29)	(21)
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 (benefit)	(12)	(19)	(35)	(58)
Net earnings (loss) attributable to Guess, Inc.	$ 90	$ 124	$ 270	$ 374