Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.10.0.1
Document and Entity Information - shares
9 Months Ended
Dec. 31, 2018
Jan. 30, 2019
Document and Entity Information    
Entity Registrant Name KEMET CORP  
Entity Central Index Key 0000887730  
Document Type 10-Q  
Document Period End Date Dec. 31, 2018  
Amendment Flag false  
Current Fiscal Year End Date --03-31  
Entity Current Reporting Status Yes  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   57,786,812
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q3