DOCUMENT AND ENTITY INFORMATION - USD ($)	12 Months Ended
	Mar. 28, 2020	May 18, 2020	Sep. 28, 2019
Document And Entity Information [Abstract]
Document Type	10-K
Document Annual Report	true
Document Transition Report	false
Entity File Number	001-14041
Entity Registrant Name	HAEMONETICS CORPORATION
Entity Incorporation, State or Country Code	MA
Entity Tax Identification Number	04-2882273
Entity Address, Address Line One	125 Summer Street,
Entity Address, City or Town	Boston,
Entity Address, State or Province	MA
Entity Address, Postal Zip Code	02110
City Area Code	(781)
Local Phone Number	848-7100
Title of 12(b) Security	Common stock, $.01 par value per share
Trading Symbol	HAE
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Small Business	false
Entity Filer Category	Large Accelerated Filer
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 6,235,150,197
Entity Common Stock, Shares Outstanding		50,386,681
Entity Central Index Key	0000313143
Current Fiscal Year End Date	--03-28
Document Period End Date	Mar. 28, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Amendment Flag	false