DOCUMENT AND ENTITY INFORMATION - shares	6 Months Ended
	Sep. 26, 2015	Oct. 24, 2015
Document And Entity Information [Abstract]
Entity Registrant Name	HAEMONETICS CORP
Entity Central Index Key	0000313143
Current Fiscal Year End Date	--04-02
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 26, 2015
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding		50,724,474