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GOODWILL AND INTANGIBLE ASSETS - Rollforward of Goodwill (Details) $ in Thousands	9 Months Ended
	Sep. 28, 2019 USD ($)
Changes in gross carrying amount and accumulated amortization of goodwill
December 29, 2018	$ 1,247,133
Acquisitions	293,116
Foreign Exchange	(18,630)
September 28, 2019	1,521,619
RMS
Changes in gross carrying amount and accumulated amortization of goodwill
December 29, 2018	56,968
Acquisitions	0
Foreign Exchange	(761)
September 28, 2019	56,207
DSA
Changes in gross carrying amount and accumulated amortization of goodwill
December 29, 2018	1,051,470
Acquisitions	293,116
Foreign Exchange	(13,660)
September 28, 2019	1,330,926
Manufacturing
Changes in gross carrying amount and accumulated amortization of goodwill
December 29, 2018	138,695
Acquisitions	0
Foreign Exchange	(4,209)
September 28, 2019	$ 134,486

X

- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ 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 (b)
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

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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

Amount before 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://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267

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X

- 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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