Document And Entity Information	6 Months Ended
	Aug. 02, 2014	Aug. 22, 2014
Document And Entity Information [Abstract]
Entity Registrant Name	CHICOS FAS INC
Entity Central Index Key	0000897429
Current Fiscal Year End Date	--01-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Aug. 02, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding		152,790,789