Stockholders' Equity - Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jul. 31, 2021	May 01, 2021	Aug. 01, 2020	May 02, 2020	Jul. 31, 2021	Aug. 01, 2020
Reclassifications out of accumulated other comprehensive income (loss) to net earnings (loss)
Cost of product sales	$ 334,538		$ 251,511		$ 642,982	$ 477,533
Interest expense	6,009		5,941		11,935	11,403
Other income (expense), net	1,001		(5,548)		3,702	14,032
Income tax expense (benefit)	17,692		6,386		23,147	(19,995)
Net earnings (loss) attributable to Guess?, Inc.	(63,147)	$ (12,870)	20,692	$ 160,538	(76,017)	181,230
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.	867		(2,127)		1,404	(3,825)
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	829		(2,504)		1,291	(4,495)
Interest expense	195		42		131	45
Income tax expense (benefit)	(234)		264		(172)	483
Net earnings (loss) attributable to Guess?, Inc.	790		(2,198)		1,250	(3,967)
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	106		97		211	193
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	(17)		(16)		(34)	(32)
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)		(10)		(23)	(19)
Net earnings (loss) attributable to Guess?, Inc.	$ 77		$ 71		$ 154	$ 142