Document and Entity Information (USD $)	12 Months Ended
	Jan. 28, 2012	Mar. 19, 2012	Jul. 30, 2011
Document and Entity Information
Entity Registrant Name	GUESS INC
Entity Central Index Key	0000912463
Document Type	10-K
Document Period End Date	Jan. 28, 2012
Amendment Flag	false
Current Fiscal Year End Date	--01-28
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 2,578,690,450
Entity Common Stock, Shares Outstanding		89,707,261
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	FY