Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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+ References

No definition available.

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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BUSINESS COMBINATIONS - Definite Lived Intangible Assets (Details) - USD ($) $ in Thousands	Aug. 06, 2020	Jan. 03, 2020	Apr. 29, 2019	Apr. 03, 2018
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
MPI Research
Business Acquisition [Line Items]
Definite-lived intangible assets acquired				$ 309,200
Weighted average amortization life of intangible assets acquired				12 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
Client relationships \| MPI Research
Business Acquisition [Line Items]
Definite-lived intangible assets acquired				$ 264,900
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 \| 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 \| Citoxlab
Business Acquisition [Line Items]
Definite-lived intangible assets acquired			$ 19,900
Weighted average amortization life of intangible assets acquired			3 years
Developed technology \| MPI Research
Business Acquisition [Line Items]
Definite-lived intangible assets acquired				$ 23,400
Weighted average amortization life of intangible assets acquired				3 years
Backlog \| Citoxlab
Business Acquisition [Line Items]
Definite-lived intangible assets acquired			$ 7,900
Weighted average amortization life of intangible assets acquired			1 year
Backlog \| MPI Research
Business Acquisition [Line Items]
Definite-lived intangible assets acquired				$ 20,900
Weighted average amortization life of intangible assets acquired				1 year