ACQUISITIONS AND DIVESTITURES - Definite Lived Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 28, 2021	Mar. 30, 2021	Mar. 29, 2021	Dec. 31, 2020	Aug. 06, 2020	Jan. 03, 2020	Apr. 29, 2019
Vigene Biosciences, Inc.
Business Acquisition [Line Items]
Definite-lived intangible assets acquired	$ 93,900
Weighted average amortization life of intangible assets acquired	11 years
Retrogenix Limited
Business Acquisition [Line Items]
Definite-lived intangible assets acquired		$ 22,126
Weighted average amortization life of intangible assets acquired		11 years
Cognate BioServices, Inc.
Business Acquisition [Line Items]
Definite-lived intangible assets acquired			$ 270,900
Weighted average amortization life of intangible assets acquired			13 years
Distributed Bio, Inc.
Business Acquisition [Line Items]
Definite-lived intangible assets acquired				$ 24,540
Weighted average amortization life of intangible assets acquired				7 years
Cellero, LLC
Business Acquisition [Line Items]
Definite-lived intangible assets acquired					$ 16,230
Weighted average amortization life of intangible assets acquired					12 years
HemaCare Corporation
Business Acquisition [Line Items]
Definite-lived intangible assets acquired						$ 183,540
Weighted average amortization life of intangible assets acquired						18 years
Citoxlab
Business Acquisition [Line Items]
Definite-lived intangible assets acquired							$ 162,400
Weighted average amortization life of intangible assets acquired							12 years
Client relationships | Vigene Biosciences, Inc.
Business Acquisition [Line Items]
Definite-lived intangible assets acquired	$ 87,500
Weighted average amortization life of intangible assets acquired	12 years
Client relationships | Retrogenix Limited
Business Acquisition [Line Items]
Definite-lived intangible assets acquired		$ 17,340
Weighted average amortization life of intangible assets acquired		13 years
Client relationships | Cognate BioServices, Inc.
Business Acquisition [Line Items]
Definite-lived intangible assets acquired			$ 257,200
Weighted average amortization life of intangible assets acquired			13 years
Client relationships | Distributed Bio, Inc.
Business Acquisition [Line Items]
Definite-lived intangible assets acquired				$ 16,080
Weighted average amortization life of intangible assets acquired				9 years
Client relationships | Cellero, LLC
Business Acquisition [Line Items]
Definite-lived intangible assets acquired					$ 14,740
Weighted average amortization life of intangible assets acquired					13 years
Client relationships | HemaCare Corporation
Business Acquisition [Line Items]
Definite-lived intangible assets acquired						$ 170,390
Weighted average amortization life of intangible assets acquired						19 years
Client relationships | Citoxlab
Business Acquisition [Line Items]
Definite-lived intangible assets acquired							$ 134,600
Weighted average amortization life of intangible assets acquired							13 years
Trade name | HemaCare Corporation
Business Acquisition [Line Items]
Definite-lived intangible assets acquired						$ 7,330
Weighted average amortization life of intangible assets acquired						10 years
Other intangible assets | Vigene Biosciences, Inc.
Business Acquisition [Line Items]
Definite-lived intangible assets acquired	$ 3,500
Weighted average amortization life of intangible assets acquired	4 years
Other intangible assets | Retrogenix Limited
Business Acquisition [Line Items]
Definite-lived intangible assets acquired		$ 1,101
Weighted average amortization life of intangible assets acquired		2 years
Other intangible assets | Cognate BioServices, Inc.
Business Acquisition [Line Items]
Definite-lived intangible assets acquired			$ 4,800
Weighted average amortization life of intangible assets acquired			2 years
Other intangible assets | Distributed Bio, Inc.
Business Acquisition [Line Items]
Definite-lived intangible assets acquired				$ 4,520
Weighted average amortization life of intangible assets acquired				4 years
Other intangible assets | Cellero, LLC
Business Acquisition [Line Items]
Definite-lived intangible assets acquired					$ 1,490
Weighted average amortization life of intangible assets acquired					3 years
Other intangible assets | HemaCare Corporation
Business Acquisition [Line Items]
Definite-lived intangible assets acquired						$ 5,820
Weighted average amortization life of intangible assets acquired						3 years
Developed technology | Retrogenix Limited
Business Acquisition [Line Items]
Definite-lived intangible assets acquired		$ 3,685
Weighted average amortization life of intangible assets acquired		3 years
Developed technology | Distributed Bio, Inc.
Business Acquisition [Line Items]
Definite-lived intangible assets acquired				$ 3,940
Weighted average amortization life of intangible assets acquired				5 years
Developed technology | Citoxlab
Business Acquisition [Line Items]
Definite-lived intangible assets acquired							$ 19,900
Weighted average amortization life of intangible assets acquired							3 years
Backlog | Vigene Biosciences, Inc.
Business Acquisition [Line Items]
Definite-lived intangible assets acquired	$ 2,900
Weighted average amortization life of intangible assets acquired	1 year
Backlog | Cognate BioServices, Inc.
Business Acquisition [Line Items]
Definite-lived intangible assets acquired			$ 8,900
Weighted average amortization life of intangible assets acquired			1 year
Backlog | Citoxlab
Business Acquisition [Line Items]
Definite-lived intangible assets acquired							$ 7,900
Weighted average amortization life of intangible assets acquired							1 year