DOCUMENT AND ENTITY INFORMATION - USD ($)	12 Months Ended
	Apr. 01, 2017	May 19, 2017	Oct. 01, 2016
Document And Entity Information [Abstract]
Entity Registrant Name	HAEMONETICS CORP
Entity Central Index Key	0000313143
Current Fiscal Year End Date	--04-01
Entity Filer Category	Large Accelerated Filer
Document Type	10-K
Document Period End Date	Apr. 01, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding		52,464,290
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 1,866,084,197