Document and Entity Information	6 Months Ended
	Sep. 30, 2013	Nov. 01, 2013
Document and Entity Information
Entity Registrant Name	KEMET CORP
Entity Central Index Key	0000887730
Document Type	10-Q
Document Period End Date	Sep. 30, 2013
Amendment Flag	false
Current Fiscal Year End Date	--03-31
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		45,117,411
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q2