SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)	12 Months Ended
	Mar. 29, 2025	Mar. 30, 2024	Apr. 01, 2023	Apr. 02, 2022
Summary of Significant Accounting Pronouncements [Line Items]
Optional exemption term	1 year
Cash and cash equivalents maximum maturity period	3 months
Capitalized implementation costs	$ 44,000,000.0	$ 22,900,000
Amortization expense	2,300,000	900,000	$ 0
Impairment charges related to the discontinuance of certain capitalized software projects	0	0	0
Other Liabilities
Contract liabilities	43,348,000	31,242,000
All other	104,785,000	104,846,000
Total	148,133,000	136,088,000
Advertising expense	7,700,000	7,100,000	7,200,000
Foreign currency losses	900,000	4,000,000.0	1,000,000.0
Gain (Loss) on Investments	0	0	0
Stockholders' Equity Attributable to Parent	(820,836,000)	(959,959,000)	(817,997,000)	$ (749,424,000)
Deferred Income Tax Liabilities, Net	(62,575,000)	(62,644,000)
Additional Paid-in Capital
Other Liabilities
Stockholders' Equity Attributable to Parent	(523,264,000)	(634,627,000)	(594,706,000)	(572,476,000)
Retained Earnings
Other Liabilities
Stockholders' Equity Attributable to Parent	$ (352,174,000)	$ (360,456,000)	$ (253,168,000)	$ (202,391,000)
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
Other Liabilities
Concentration risk	42.00%	48.00%	48.00%
Net Revenues | Customer Concentration Risk | Two Customers
Other Liabilities
Concentration risk	10.00%
Net Revenues | Customer Concentration Risk | Plasma Customer, CSL Limited (CSL), Two Customers
Other Liabilities
Concentration risk	10.00%