Stockholders' Equity - Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 03, 2019	Aug. 04, 2018	Aug. 03, 2019	Aug. 04, 2018
Reclassifications out of accumulated other comprehensive income (loss) to net earnings (loss)
Cost of product sales	$ 417,554	$ 406,440	$ 772,296	$ 753,791
Other income (expense), net	6,355	(1,360)	4,284	1,254
Interest expense	4,951	863	6,210	1,602
Income tax expense	8,818	7,776	6,101	1,499
Net earnings attributable to Guess, Inc.	(25,322)	(25,530)	(3,948)	(4,309)
Reclassifications out of accumulated other comprehensive income (loss)
Reclassifications out of accumulated other comprehensive income (loss) to net earnings (loss)
Net earnings attributable to Guess, Inc.	(1,482)	2,157	(1,573)	3,898
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	(1,757)		(1,987)
Other income (expense), net	0		0
Interest expense	(44)		(90)
Income tax expense	229		324
Net earnings attributable to Guess, Inc.	(1,572)		(1,753)
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		2,342		4,028
Other income (expense), net		0		201
Interest expense		(31)		(39)
Income tax expense		(279)		(542)
Net earnings attributable to Guess, Inc.		2,032		3,648
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	111	151	222	303
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	(9)	(7)	(19)	(14)
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	(12)	(19)	(23)	(39)
Net earnings attributable to Guess, Inc.	$ 90	$ 125	$ 180	$ 250