SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)	12 Months Ended
	Mar. 30, 2024	Apr. 01, 2023	Apr. 02, 2022	Apr. 04, 2021	Apr. 03, 2021
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	31,242,000	30,209,000
All other	104,846,000	81,419,000
Total	136,088,000	111,628,000
Advertising expense	7,100,000	7,200,000	4,400,000
Foreign currency losses	4,000,000	1,000,000	1,500,000
Gain (Loss) on Investments	0	0
Stockholders' Equity Attributable to Parent	(959,959,000)	(817,997,000)	(749,424,000)		$ (731,670,000)
Deferred Income Tax Liabilities, Net	(62,644,000)	(36,195,000)
Additional Paid-in Capital
Other Liabilities
Stockholders' Equity Attributable to Parent	(634,627,000)	(594,706,000)	(572,476,000)		(602,727,000)
Retained Earnings
Other Liabilities
Stockholders' Equity Attributable to Parent	$ (360,456,000)	$ (253,168,000)	$ (202,391,000)		$ (157,981,000)
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%	48.00%	45.00%
Net Revenues | Customer Concentration Risk | Plasma Customer, CSL Limited (CSL) [Member]
Summary of Significant Accounting Pronouncements [Line Items]
Concentration risk	13.00%
Net Revenues | Customer Concentration Risk | Two Customers
Summary of Significant Accounting Pronouncements [Line Items]
Concentration risk	10.00%
Net Revenues | Customer Concentration Risk | Plasma Customer, CSL Limited (CSL), Two Customers
Summary of Significant Accounting Pronouncements [Line Items]
Concentration risk	10.00%
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)