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BUSINESS COMBINATIONS - Definite-Lived Intangible Assets (Details) - USD ($) $ in Thousands | Mar. 30, 2021 | Mar. 29, 2021 | Dec. 31, 2020 | Aug. 06, 2020 | Jan. 03, 2020
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Retrogenix Limited |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Definite-lived intangible assets acquired | $ 22,126 |  |  |  |
Weighted-average amortization life | 11 years |  |  |  |
Cognate BioServices, Inc. |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Definite-lived intangible assets acquired |  | $ 266,700 |  |  |
Weighted-average amortization life |  | 13 years |  |  |
Distributed Bio, Inc. |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Definite-lived intangible assets acquired |  |  | $ 24,540 |  |
Weighted-average amortization life |  |  | 7 years |  |
Cellero, LLC |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Definite-lived intangible assets acquired |  |  |  | $ 16,230 |
Weighted-average amortization life |  |  |  | 12 years |
HemaCare Corporation |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Definite-lived intangible assets acquired |  |  |  |  | $ 183,540
Weighted-average amortization life |  |  |  |  | 18 years
Customer and client relationships | Retrogenix Limited |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Definite-lived intangible assets acquired | $ 17,340 |  |  |  |
Weighted-average amortization life | 13 years |  |  |  |
Customer and client relationships | Cognate BioServices, Inc. |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Definite-lived intangible assets acquired |  | $ 252,900 |  |  |
Weighted-average amortization life |  | 14 years |  |  |
Customer and client relationships | Distributed Bio, Inc. |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Definite-lived intangible assets acquired |  |  | $ 16,080 |  |
Weighted-average amortization life |  |  | 9 years |  |
Customer and client relationships | Cellero, LLC |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Definite-lived intangible assets acquired |  |  |  | $ 14,740 |
Weighted-average amortization life |  |  |  | 13 years |
Customer and client relationships | HemaCare Corporation |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Definite-lived intangible assets acquired |  |  |  |  | $ 170,390
Weighted-average amortization life |  |  |  |  | 19 years
Developed technology | Retrogenix Limited |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Definite-lived intangible assets acquired | $ 3,685 |  |  |  |
Weighted-average amortization life | 3 years |  |  |  |
Developed technology | Distributed Bio, Inc. |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Definite-lived intangible assets acquired |  |  | $ 3,940 |  |
Weighted-average amortization life |  |  | 5 years |  |
Trade name | HemaCare Corporation |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Definite-lived intangible assets acquired |  |  |  |  | $ 7,330
Weighted-average amortization life |  |  |  |  | 10 years
Other intangible assets | Retrogenix Limited |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Definite-lived intangible assets acquired | $ 1,101 |  |  |  |
Weighted-average amortization life | 2 years |  |  |  |
Other intangible assets | Cognate BioServices, Inc. |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Definite-lived intangible assets acquired |  | $ 4,900 |  |  |
Weighted-average amortization life |  | 2 years |  |  |
Other intangible assets | Distributed Bio, Inc. |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Definite-lived intangible assets acquired |  |  | $ 4,520 |  |
Weighted-average amortization life |  |  | 4 years |  |
Other intangible assets | Cellero, LLC |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Definite-lived intangible assets acquired |  |  |  | $ 1,490 |
Weighted-average amortization life |  |  |  | 3 years |
Other intangible assets | HemaCare Corporation |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Definite-lived intangible assets acquired |  |  |  |  | $ 5,820
Weighted-average amortization life |  |  |  |  | 3 years
Backlog | Cognate BioServices, Inc. |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Definite-lived intangible assets acquired |  | $ 8,900 |  |  |
Weighted-average amortization life |  | 1 year |  |  |

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