Document and Entity Information (USD $)	12 Months Ended
	Jan. 31, 2014	Mar. 25, 2014	Jul. 31, 2013
Document Information [Line Items]
Entity Registrant Name	RAVEN INDUSTRIES INC
Entity Central Index Key	0000082166
Current Fiscal Year End Date	--01-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-K
Document Period End Date	Jan. 31, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding		36,427,627
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 1,101,789,819