Document And Entity Information (USD $)	9 Months Ended
	Dec. 31, 2011	Jan. 31, 2012	Sep. 30, 2010
Entity Registrant Name	ePlus inc
Entity Central Index Key	0001022408
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	No
Entity Filer Category	Accelerated Filer
Entity Public Float			$ 89,360,486
Entity Common Stock, Shares Outstanding		7,996,261
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q3
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Dec. 31, 2011