Quarterly report pursuant to Section 13 or 15(d)

Document And Entity Information

Document And Entity Information
9 Months Ended
Dec. 28, 2014
Feb. 04, 2015
Document and Entity Information [Abstract]    
Entity Registrant Name Exar Corporation  
Document Type 10-Q  
Current Fiscal Year End Date --03-29  
Entity Common Stock, Shares Outstanding   47,443,328dei_EntityCommonStockSharesOutstanding
Amendment Flag false  
Entity Central Index Key 0000753568  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Filer Category Accelerated Filer  
Entity Well-known Seasoned Issuer No  
Document Period End Date Dec. 28, 2014  
Document Fiscal Year Focus 2015  
Document Fiscal Period Focus Q3