Document and Entity Information - shares	6 Months Ended
	Apr. 01, 2017	May 04, 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-Q
Document Period End Date	Apr. 01, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding		16,741,681