Goodwill and Intangible Assets, Net (Changes in the Carrying Amount of Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 29, 2019	Dec. 30, 2018
Changes in the carrying amount of goodwill
Foreign currency translation	$ (18,284)	$ (67,478)
Acquisitions, earn outs and other	176,903	17,888
Ending balance	3,111,227	2,952,608
Diagnostics [Member]
Changes in the carrying amount of goodwill
Foreign currency translation	(9,725)	(35,289)
Acquisitions, earn outs and other	4,516	(5,058)
Ending balance	1,612,407	1,617,616
Discovery & Analytical Solutions [Member]
Changes in the carrying amount of goodwill
Foreign currency translation	(8,559)	(32,189)
Acquisitions, earn outs and other	172,387	22,946
Ending balance	$ 1,498,820	$ 1,334,992

Goodwill, Acquisition, Earn Outs and Other Adjustments

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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