SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)	12 Months Ended
	Apr. 01, 2023	Apr. 02, 2022	Apr. 03, 2021	Apr. 04, 2021	Mar. 28, 2020
Summary of Significant Accounting Pronouncements [Line Items]
Optional exemption term	1 year
Cash and cash equivalents maximum maturity period	3 months
Impairment charges related to the discontinuance of certain capitalized software projects	$ 0	$ 0	$ 0
Other Liabilities
Contract liabilities	30,209,000	26,809,000
Contingent consideration	863,000	31,184,000
All other	80,556,000	63,214,000
Total	111,628,000	121,207,000
Advertising expense	7,200,000	4,400,000	2,700,000
Foreign currency losses	1,000,000	1,500,000	700,000
Gain (Loss) on Investments	0
Stockholders' Equity Attributable to Parent	(817,997,000)	(749,424,000)	(731,670,000)		$ (587,109,000)
Deferred Income Tax Liabilities, Net	(36,195,000)	(28,727,000)
Additional Paid-in Capital
Other Liabilities
Stockholders' Equity Attributable to Parent	(594,706,000)	(572,476,000)	(602,727,000)		(553,229,000)
Retained Earnings
Other Liabilities
Stockholders' Equity Attributable to Parent	$ (253,168,000)	$ (202,391,000)	$ (157,981,000)		$ (78,512,000)
Minimum
Summary of Significant Accounting Pronouncements [Line Items]
Software capitalization term	5 years
Maximum
Summary of Significant Accounting Pronouncements [Line Items]
Software capitalization term	10 years
Building | Minimum
Summary of Significant Accounting Pronouncements [Line Items]
Property, plant and equipment, useful life	30 years
Building | Maximum
Summary of Significant Accounting Pronouncements [Line Items]
Property, plant and equipment, useful life	40 years
Building improvements | Minimum
Summary of Significant Accounting Pronouncements [Line Items]
Property, plant and equipment, useful life	5 years
Building improvements | Maximum
Summary of Significant Accounting Pronouncements [Line Items]
Property, plant and equipment, useful life	20 years
Plant equipment and machinery | Minimum
Summary of Significant Accounting Pronouncements [Line Items]
Property, plant and equipment, useful life	3 years
Plant equipment and machinery | Maximum
Summary of Significant Accounting Pronouncements [Line Items]
Property, plant and equipment, useful life	15 years
Office equipment and information technology | Minimum
Summary of Significant Accounting Pronouncements [Line Items]
Property, plant and equipment, useful life	3 years
Office equipment and information technology | Maximum
Summary of Significant Accounting Pronouncements [Line Items]
Property, plant and equipment, useful life	10 years
Haemonetics equipment | Minimum
Summary of Significant Accounting Pronouncements [Line Items]
Property, plant and equipment, useful life	3 years
Haemonetics equipment | Maximum
Summary of Significant Accounting Pronouncements [Line Items]
Property, plant and equipment, useful life	7 years
Net Revenues | Customer Concentration Risk | Ten Largest Customers
Summary of Significant Accounting Pronouncements [Line Items]
Concentration risk	48.00%	45.00%	49.00%
Net Revenues | Customer Concentration Risk | Plasma Customer, CSL Limited (CSL) [Member]
Summary of Significant Accounting Pronouncements [Line Items]
Concentration risk	14.00%
Accounting Standards Update 2020-06
Other Liabilities
Deferred Income Tax Liabilities, Net				$ 20,000,000
Convertible Notes Payable, Noncurrent				80,300,000
Accounting Standards Update 2020-06 | Additional Paid-in Capital
Other Liabilities
Stockholders' Equity Attributable to Parent				61,200,000
Accounting Standards Update 2020-06 | Retained Earnings
Other Liabilities
Stockholders' Equity Attributable to Parent				$ (1,000,000)