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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) |

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