Document and Entity Information - shares	6 Months Ended
	Sep. 27, 2015	Oct. 30, 2015
Document and Entity Information [Abstract]
Entity Registrant Name	TESSCO TECHNOLOGIES INC
Entity Central Index Key	0000927355
Current Fiscal Year End Date	--03-27
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		8,273,116
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q2
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 27, 2015