Document and Entity Information - USD ($) $ in Billions	12 Months Ended
	Sep. 30, 2017	Nov. 22, 2017	Apr. 01, 2017
Document and Entity Information [Abstract]
Entity Registrant Name	MTS SYSTEMS CORP
Entity Central Index Key	0000068709
Current Fiscal Year End Date	--09-30
Entity Filer Category	Large Accelerated Filer
Document Type	10-K
Document Period End Date	Sep. 30, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding		17,777,251
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 1.0