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DIVESTITURE (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
May 21, 2019 | Sep. 28, 2019 | Sep. 28, 2019 | Sep. 29, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Proceeds from divestiture |  |  | $ 9,808 | $ 0
Impairment of assets |  |  | $ 48,721 | $ 21,170
CSL Plasma Inc. | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Proceeds from divestiture | $ 9,800 |  |  |
Impairment of assets |  | $ 48,700 |  |

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