Document and Entity Information - shares	6 Months Ended
	Aug. 31, 2020	Sep. 28, 2020
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Aug. 31, 2020
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q2
Trading Symbol	EBF
Entity Registrant Name	ENNIS, INC.
Entity Central Index Key	0000033002
Current Fiscal Year End Date	--02-28
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding		26,093,926
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity File Number	1-5807
Entity Incorporation, State or Country Code	TX
Entity Tax Identification Number	75-0256410
Entity Address, Address Line One	2441 Presidential Pkwy
Entity Address, City or Town	Midlothian
Entity Address, State or Province	TX
Entity Address, Country	US
Entity Address, Postal Zip Code	76065
City Area Code	972
Local Phone Number	775-9801
Document Quarterly Report	true
Document Transition Report	false
Title of 12(b) Security	Common Stock, par value $2.50 per share
Security Exchange Name	NYSE