Document And Entity Information - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2018	Jun. 06, 2018	Sep. 22, 2017
Document and Entity Information [Abstract]
Document Fiscal Period Focus	FY
Entity Common Stock, Shares Outstanding		7,197,513
Entity Central Index Key	0000099302
Current Fiscal Year End Date	--03-31
Entity Filer Category	Accelerated Filer
Document Type	10-K
Entity Registrant Name	TRANSCAT INC
Document Fiscal Year Focus	2018
Trading Symbol	TRNS
Amendment Flag	false
Document Period End Date	Mar. 31, 2018
Entity Public Float			$ 91
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No