Document and Entity Information - shares	6 Months Ended
	Sep. 30, 2015	Oct. 02, 2015
Document and Entity Information [Abstract]
Entity Registrant Name	AGILYSYS INC
Entity Central Index Key	0000078749
Current Fiscal Year End Date	--03-31
Entity Filer Category	Accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 30, 2015
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding		22,940,975