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DOCUMENT AND ENTITY INFORMATION - USD ($)
 12 Months Ended
Mar. 30, 2019
May 20, 2019
Sep. 29, 2018
Document And Entity Information [Abstract]      
Entity Registrant Name HAEMONETICS CORPORATION    
Entity Central Index Key 0000313143    
Current Fiscal Year End Date --03-30    
Entity Filer Category Large Accelerated Filer    
Trading Symbol HAE    
Document Type 10-K    
Document Period End Date Mar. 30, 2019    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Common Stock, Shares Outstanding   51,205,703  
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Emerging Growth Company false    
Entity Public Float     $ 5,887,313,926
Entity Small Business false    
Entity Shell Company false