Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	Feb. 28, 2019	Apr. 30, 2019	Aug. 31, 2018
Document And Entity Information [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Feb. 28, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY
Trading Symbol	EBF
Entity Registrant Name	ENNIS, INC.
Entity Central Index Key	0000033002
Current Fiscal Year End Date	--02-28
Entity Well-known Seasoned Issuer	No
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Accelerated Filer
Entity Shell Company	false
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding		26,175,737
Entity Public Float			$ 554